Home / 155,585.60-233,224.80-76,635.20

Finding the Fourth Proportional to 155,585.60, 233,224.80 and 76,635.20

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Solution

The fourth proportional to 155,585.60, 233,224.80 and 76,635.20 is: 114,877.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,585.60 : 233,224.80 = 76,635.20 : x
  2. Step 2: Convert to fraction form
    155,585.60/233,224.80 = 76,635.20/x
  3. Step 3: Cross multiply
    155,585.60x = 233,224.80 × 76,635.20
  4. Step 4: Simplify right side
    155,585.60x = 17,873,229,192.96
  5. Step 5: Solve for x
    x = 17,873,229,192.96/155,585.60
  6. Step 6: Final answer
    x = 114,877.14

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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.