Home / 155,087.10-232,673.85-76,203.90

Finding the Fourth Proportional to 155,087.10, 232,673.85 and 76,203.90

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Solution

The fourth proportional to 155,087.10, 232,673.85 and 76,203.90 is: 114,327.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,087.10 : 232,673.85 = 76,203.90 : x
  2. Step 2: Convert to fraction form
    155,087.10/232,673.85 = 76,203.90/x
  3. Step 3: Cross multiply
    155,087.10x = 232,673.85 × 76,203.90
  4. Step 4: Simplify right side
    155,087.10x = 17,730,654,798.02
  5. Step 5: Solve for x
    x = 17,730,654,798.02/155,087.10
  6. Step 6: Final answer
    x = 114,327.08

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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.