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Finding the Fourth Proportional to 102,019.40, 153,029.10 and 101,363.30

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Solution

The fourth proportional to 102,019.40, 153,029.10 and 101,363.30 is: 152,044.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,019.40 : 153,029.10 = 101,363.30 : x
  2. Step 2: Convert to fraction form
    102,019.40/153,029.10 = 101,363.30/x
  3. Step 3: Cross multiply
    102,019.40x = 153,029.10 × 101,363.30
  4. Step 4: Simplify right side
    102,019.40x = 15,511,534,572.03
  5. Step 5: Solve for x
    x = 15,511,534,572.03/102,019.40
  6. Step 6: Final answer
    x = 152,044.95

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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.