Home / 155,412.20-232,684.24-84,079.76

Finding the Fourth Proportional to 155,412.20, 232,684.24 and 84,079.76

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Solution

The fourth proportional to 155,412.20, 232,684.24 and 84,079.76 is: 125,884.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,412.20 : 232,684.24 = 84,079.76 : x
  2. Step 2: Convert to fraction form
    155,412.20/232,684.24 = 84,079.76/x
  3. Step 3: Cross multiply
    155,412.20x = 232,684.24 × 84,079.76
  4. Step 4: Simplify right side
    155,412.20x = 19,564,035,054.98
  5. Step 5: Solve for x
    x = 19,564,035,054.98/155,412.20
  6. Step 6: Final answer
    x = 125,884.81

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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.