Home / 141,710.27-212,561.84-57,447.90

Finding the Fourth Proportional to 141,710.27, 212,561.84 and 57,447.90

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Solution

The fourth proportional to 141,710.27, 212,561.84 and 57,447.90 is: 86,170.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,710.27 : 212,561.84 = 57,447.90 : x
  2. Step 2: Convert to fraction form
    141,710.27/212,561.84 = 57,447.90/x
  3. Step 3: Cross multiply
    141,710.27x = 212,561.84 × 57,447.90
  4. Step 4: Simplify right side
    141,710.27x = 12,211,231,471.76
  5. Step 5: Solve for x
    x = 12,211,231,471.76/141,710.27
  6. Step 6: Final answer
    x = 86,170.41

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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.