Home / 124,754.18-172,160.75-68,165.55

Finding the Fourth Proportional to 124,754.18, 172,160.75 and 68,165.55

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Solution

The fourth proportional to 124,754.18, 172,160.75 and 68,165.55 is: 94,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,754.18 : 172,160.75 = 68,165.55 : x
  2. Step 2: Convert to fraction form
    124,754.18/172,160.75 = 68,165.55/x
  3. Step 3: Cross multiply
    124,754.18x = 172,160.75 × 68,165.55
  4. Step 4: Simplify right side
    124,754.18x = 11,735,432,382.58
  5. Step 5: Solve for x
    x = 11,735,432,382.58/124,754.18
  6. Step 6: Final answer
    x = 94,068.45

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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.