Home / 123,973.42-171,083.92-67,384.76

Finding the Fourth Proportional to 123,973.42, 171,083.92 and 67,384.76

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Solution

The fourth proportional to 123,973.42, 171,083.92 and 67,384.76 is: 92,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,973.42 : 171,083.92 = 67,384.76 : x
  2. Step 2: Convert to fraction form
    123,973.42/171,083.92 = 67,384.76/x
  3. Step 3: Cross multiply
    123,973.42x = 171,083.92 × 67,384.76
  4. Step 4: Simplify right side
    123,973.42x = 11,528,448,889.06
  5. Step 5: Solve for x
    x = 11,528,448,889.06/123,973.42
  6. Step 6: Final answer
    x = 92,991.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.