Home / 242,503.20-334,654.50-140,587.74

Finding the Fourth Proportional to 242,503.20, 334,654.50 and 140,587.74

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Solution

The fourth proportional to 242,503.20, 334,654.50 and 140,587.74 is: 194,011.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,503.20 : 334,654.50 = 140,587.74 : x
  2. Step 2: Convert to fraction form
    242,503.20/334,654.50 = 140,587.74/x
  3. Step 3: Cross multiply
    242,503.20x = 334,654.50 × 140,587.74
  4. Step 4: Simplify right side
    242,503.20x = 47,048,319,835.83
  5. Step 5: Solve for x
    x = 47,048,319,835.83/242,503.20
  6. Step 6: Final answer
    x = 194,011.13

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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.