Home / 141,854.32-212,716.08-41,978.80

Finding the Fourth Proportional to 141,854.32, 212,716.08 and 41,978.80

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Solution

The fourth proportional to 141,854.32, 212,716.08 and 41,978.80 is: 62,948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,854.32 : 212,716.08 = 41,978.80 : x
  2. Step 2: Convert to fraction form
    141,854.32/212,716.08 = 41,978.80/x
  3. Step 3: Cross multiply
    141,854.32x = 212,716.08 × 41,978.80
  4. Step 4: Simplify right side
    141,854.32x = 8,929,565,779.10
  5. Step 5: Solve for x
    x = 8,929,565,779.10/141,854.32
  6. Step 6: Final answer
    x = 62,948.85

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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.