Home / 124,755.30-172,162.53-68,165.46

Finding the Fourth Proportional to 124,755.30, 172,162.53 and 68,165.46

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Solution

The fourth proportional to 124,755.30, 172,162.53 and 68,165.46 is: 94,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,755.30 : 172,162.53 = 68,165.46 : x
  2. Step 2: Convert to fraction form
    124,755.30/172,162.53 = 68,165.46/x
  3. Step 3: Cross multiply
    124,755.30x = 172,162.53 × 68,165.46
  4. Step 4: Simplify right side
    124,755.30x = 11,735,538,052.21
  5. Step 5: Solve for x
    x = 11,735,538,052.21/124,755.30
  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.