Home / 155,753.40-233,630.10-102,609.30

Finding the Fourth Proportional to 155,753.40, 233,630.10 and 102,609.30

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Solution

The fourth proportional to 155,753.40, 233,630.10 and 102,609.30 is: 153,913.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,753.40 : 233,630.10 = 102,609.30 : x
  2. Step 2: Convert to fraction form
    155,753.40/233,630.10 = 102,609.30/x
  3. Step 3: Cross multiply
    155,753.40x = 233,630.10 × 102,609.30
  4. Step 4: Simplify right side
    155,753.40x = 23,972,621,019.93
  5. Step 5: Solve for x
    x = 23,972,621,019.93/155,753.40
  6. Step 6: Final answer
    x = 153,913.95

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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.