Home / 187,974.20-282,101.40-75,655.35

Finding the Fourth Proportional to 187,974.20, 282,101.40 and 75,655.35

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Solution

The fourth proportional to 187,974.20, 282,101.40 and 75,655.35 is: 113,539.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,974.20 : 282,101.40 = 75,655.35 : x
  2. Step 2: Convert to fraction form
    187,974.20/282,101.40 = 75,655.35/x
  3. Step 3: Cross multiply
    187,974.20x = 282,101.40 × 75,655.35
  4. Step 4: Simplify right side
    187,974.20x = 21,342,480,152.49
  5. Step 5: Solve for x
    x = 21,342,480,152.49/187,974.20
  6. Step 6: Final answer
    x = 113,539.41

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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.