Home / 143,522.48-215,266.80-38,349.56

Finding the Fourth Proportional to 143,522.48, 215,266.80 and 38,349.56

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Solution

The fourth proportional to 143,522.48, 215,266.80 and 38,349.56 is: 57,519.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,522.48 : 215,266.80 = 38,349.56 : x
  2. Step 2: Convert to fraction form
    143,522.48/215,266.80 = 38,349.56/x
  3. Step 3: Cross multiply
    143,522.48x = 215,266.80 × 38,349.56
  4. Step 4: Simplify right side
    143,522.48x = 8,255,387,062.61
  5. Step 5: Solve for x
    x = 8,255,387,062.61/143,522.48
  6. Step 6: Final answer
    x = 57,519.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.