Home / 155,087.10-232,630.65-55,359.90

Finding the Fourth Proportional to 155,087.10, 232,630.65 and 55,359.90

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Solution

The fourth proportional to 155,087.10, 232,630.65 and 55,359.90 is: 83,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,087.10 : 232,630.65 = 55,359.90 : x
  2. Step 2: Convert to fraction form
    155,087.10/232,630.65 = 55,359.90/x
  3. Step 3: Cross multiply
    155,087.10x = 232,630.65 × 55,359.90
  4. Step 4: Simplify right side
    155,087.10x = 12,878,409,520.94
  5. Step 5: Solve for x
    x = 12,878,409,520.94/155,087.10
  6. Step 6: Final answer
    x = 83,039.85

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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.