Home / 154,585.20-231,877.80-65,841.60

Finding the Fourth Proportional to 154,585.20, 231,877.80 and 65,841.60

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Solution

The fourth proportional to 154,585.20, 231,877.80 and 65,841.60 is: 98,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,585.20 : 231,877.80 = 65,841.60 : x
  2. Step 2: Convert to fraction form
    154,585.20/231,877.80 = 65,841.60/x
  3. Step 3: Cross multiply
    154,585.20x = 231,877.80 × 65,841.60
  4. Step 4: Simplify right side
    154,585.20x = 15,267,205,356.48
  5. Step 5: Solve for x
    x = 15,267,205,356.48/154,585.20
  6. Step 6: Final answer
    x = 98,762.40

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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.