Home / 124,278.06-171,505.60-67,689.38

Finding the Fourth Proportional to 124,278.06, 171,505.60 and 67,689.38

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Solution

The fourth proportional to 124,278.06, 171,505.60 and 67,689.38 is: 93,412.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,278.06 : 171,505.60 = 67,689.38 : x
  2. Step 2: Convert to fraction form
    124,278.06/171,505.60 = 67,689.38/x
  3. Step 3: Cross multiply
    124,278.06x = 171,505.60 × 67,689.38
  4. Step 4: Simplify right side
    124,278.06x = 11,609,107,730.53
  5. Step 5: Solve for x
    x = 11,609,107,730.53/124,278.06
  6. Step 6: Final answer
    x = 93,412.37

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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.