Home / 134,752.20-185,853.06-87,017.28

Finding the Fourth Proportional to 134,752.20, 185,853.06 and 87,017.28

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Solution

The fourth proportional to 134,752.20, 185,853.06 and 87,017.28 is: 120,016.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,752.20 : 185,853.06 = 87,017.28 : x
  2. Step 2: Convert to fraction form
    134,752.20/185,853.06 = 87,017.28/x
  3. Step 3: Cross multiply
    134,752.20x = 185,853.06 × 87,017.28
  4. Step 4: Simplify right side
    134,752.20x = 16,172,427,760.88
  5. Step 5: Solve for x
    x = 16,172,427,760.88/134,752.20
  6. Step 6: Final answer
    x = 120,016.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.