Home / 123,946.47-171,045.64-70,241.72

Finding the Fourth Proportional to 123,946.47, 171,045.64 and 70,241.72

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Solution

The fourth proportional to 123,946.47, 171,045.64 and 70,241.72 is: 96,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,946.47 : 171,045.64 = 70,241.72 : x
  2. Step 2: Convert to fraction form
    123,946.47/171,045.64 = 70,241.72/x
  3. Step 3: Cross multiply
    123,946.47x = 171,045.64 × 70,241.72
  4. Step 4: Simplify right side
    123,946.47x = 12,014,539,952.10
  5. Step 5: Solve for x
    x = 12,014,539,952.10/123,946.47
  6. Step 6: Final answer
    x = 96,933.30

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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.