Home / 141,830.20-212,747.52-42,000.52

Finding the Fourth Proportional to 141,830.20, 212,747.52 and 42,000.52

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Solution

The fourth proportional to 141,830.20, 212,747.52 and 42,000.52 is: 63,001.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,830.20 : 212,747.52 = 42,000.52 : x
  2. Step 2: Convert to fraction form
    141,830.20/212,747.52 = 42,000.52/x
  3. Step 3: Cross multiply
    141,830.20x = 212,747.52 × 42,000.52
  4. Step 4: Simplify right side
    141,830.20x = 8,935,506,468.71
  5. Step 5: Solve for x
    x = 8,935,506,468.71/141,830.20
  6. Step 6: Final answer
    x = 63,001.44

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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.