Home / 153,000.20-229,500.30-47,851.40

Finding the Fourth Proportional to 153,000.20, 229,500.30 and 47,851.40

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Solution

The fourth proportional to 153,000.20, 229,500.30 and 47,851.40 is: 71,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,000.20 : 229,500.30 = 47,851.40 : x
  2. Step 2: Convert to fraction form
    153,000.20/229,500.30 = 47,851.40/x
  3. Step 3: Cross multiply
    153,000.20x = 229,500.30 × 47,851.40
  4. Step 4: Simplify right side
    153,000.20x = 10,981,910,655.42
  5. Step 5: Solve for x
    x = 10,981,910,655.42/153,000.20
  6. Step 6: Final answer
    x = 71,777.10

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1.5x scale

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.