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Finding the Fourth Proportional to 102,000.80, 153,001.20 and 95,002.40

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Solution

The fourth proportional to 102,000.80, 153,001.20 and 95,002.40 is: 142,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,000.80 : 153,001.20 = 95,002.40 : x
  2. Step 2: Convert to fraction form
    102,000.80/153,001.20 = 95,002.40/x
  3. Step 3: Cross multiply
    102,000.80x = 153,001.20 × 95,002.40
  4. Step 4: Simplify right side
    102,000.80x = 14,535,481,202.88
  5. Step 5: Solve for x
    x = 14,535,481,202.88/102,000.80
  6. Step 6: Final answer
    x = 142,503.60

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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.