Home / 123,569.47-170,526.09-66,980.98

Finding the Fourth Proportional to 123,569.47, 170,526.09 and 66,980.98

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Solution

The fourth proportional to 123,569.47, 170,526.09 and 66,980.98 is: 92,433.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,569.47 : 170,526.09 = 66,980.98 : x
  2. Step 2: Convert to fraction form
    123,569.47/170,526.09 = 66,980.98/x
  3. Step 3: Cross multiply
    123,569.47x = 170,526.09 × 66,980.98
  4. Step 4: Simplify right side
    123,569.47x = 11,422,004,623.77
  5. Step 5: Solve for x
    x = 11,422,004,623.77/123,569.47
  6. Step 6: Final answer
    x = 92,433.87

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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.