Home / 495,086.62-742,658.40-140,070.88

Finding the Fourth Proportional to 495,086.62, 742,658.40 and 140,070.88

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Solution

The fourth proportional to 495,086.62, 742,658.40 and 140,070.88 is: 210,114.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,086.62 : 742,658.40 = 140,070.88 : x
  2. Step 2: Convert to fraction form
    495,086.62/742,658.40 = 140,070.88/x
  3. Step 3: Cross multiply
    495,086.62x = 742,658.40 × 140,070.88
  4. Step 4: Simplify right side
    495,086.62x = 104,024,815,627.39
  5. Step 5: Solve for x
    x = 104,024,815,627.39/495,086.62
  6. Step 6: Final answer
    x = 210,114.37

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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.