Home / 155,220.15-232,884.90-76,281.60

Finding the Fourth Proportional to 155,220.15, 232,884.90 and 76,281.60

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Solution

The fourth proportional to 155,220.15, 232,884.90 and 76,281.60 is: 114,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,220.15 : 232,884.90 = 76,281.60 : x
  2. Step 2: Convert to fraction form
    155,220.15/232,884.90 = 76,281.60/x
  3. Step 3: Cross multiply
    155,220.15x = 232,884.90 × 76,281.60
  4. Step 4: Simplify right side
    155,220.15x = 17,764,832,787.84
  5. Step 5: Solve for x
    x = 17,764,832,787.84/155,220.15
  6. Step 6: Final answer
    x = 114,449.27

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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.