Home / 123,273.28-170,117.16-69,569.68

Finding the Fourth Proportional to 123,273.28, 170,117.16 and 69,569.68

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Solution

The fourth proportional to 123,273.28, 170,117.16 and 69,569.68 is: 96,006.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,273.28 : 170,117.16 = 69,569.68 : x
  2. Step 2: Convert to fraction form
    123,273.28/170,117.16 = 69,569.68/x
  3. Step 3: Cross multiply
    123,273.28x = 170,117.16 × 69,569.68
  4. Step 4: Simplify right side
    123,273.28x = 11,834,996,383.71
  5. Step 5: Solve for x
    x = 11,834,996,383.71/123,273.28
  6. Step 6: Final answer
    x = 96,006.18

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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.