Home / 188,330.18-282,534.15-55,214.78

Finding the Fourth Proportional to 188,330.18, 282,534.15 and 55,214.78

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Solution

The fourth proportional to 188,330.18, 282,534.15 and 55,214.78 is: 82,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,330.18 : 282,534.15 = 55,214.78 : x
  2. Step 2: Convert to fraction form
    188,330.18/282,534.15 = 55,214.78/x
  3. Step 3: Cross multiply
    188,330.18x = 282,534.15 × 55,214.78
  4. Step 4: Simplify right side
    188,330.18x = 15,600,060,934.74
  5. Step 5: Solve for x
    x = 15,600,060,934.74/188,330.18
  6. Step 6: Final answer
    x = 82,833.57

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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.