Home / 125,036.16-172,549.90-68,447.53

Finding the Fourth Proportional to 125,036.16, 172,549.90 and 68,447.53

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Solution

The fourth proportional to 125,036.16, 172,549.90 and 68,447.53 is: 94,457.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,036.16 : 172,549.90 = 68,447.53 : x
  2. Step 2: Convert to fraction form
    125,036.16/172,549.90 = 68,447.53/x
  3. Step 3: Cross multiply
    125,036.16x = 172,549.90 × 68,447.53
  4. Step 4: Simplify right side
    125,036.16x = 11,810,614,372.98
  5. Step 5: Solve for x
    x = 11,810,614,372.98/125,036.16
  6. Step 6: Final answer
    x = 94,457.59

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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.