Home / 155,614.20-233,421.30-102,470.10

Finding the Fourth Proportional to 155,614.20, 233,421.30 and 102,470.10

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Solution

The fourth proportional to 155,614.20, 233,421.30 and 102,470.10 is: 153,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,614.20 : 233,421.30 = 102,470.10 : x
  2. Step 2: Convert to fraction form
    155,614.20/233,421.30 = 102,470.10/x
  3. Step 3: Cross multiply
    155,614.20x = 233,421.30 × 102,470.10
  4. Step 4: Simplify right side
    155,614.20x = 23,918,703,953.13
  5. Step 5: Solve for x
    x = 23,918,703,953.13/155,614.20
  6. Step 6: Final answer
    x = 153,705.15

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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.