Home / 124,013.79-171,140.31-67,426.38

Finding the Fourth Proportional to 124,013.79, 171,140.31 and 67,426.38

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Solution

The fourth proportional to 124,013.79, 171,140.31 and 67,426.38 is: 93,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,013.79 : 171,140.31 = 67,426.38 : x
  2. Step 2: Convert to fraction form
    124,013.79/171,140.31 = 67,426.38/x
  3. Step 3: Cross multiply
    124,013.79x = 171,140.31 × 67,426.38
  4. Step 4: Simplify right side
    124,013.79x = 11,539,371,575.38
  5. Step 5: Solve for x
    x = 11,539,371,575.38/124,013.79
  6. Step 6: Final answer
    x = 93,049.10

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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.