Home / 147,534.59-220,871.30-109,751.45

Finding the Fourth Proportional to 147,534.59, 220,871.30 and 109,751.45

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Solution

The fourth proportional to 147,534.59, 220,871.30 and 109,751.45 is: 164,306.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,534.59 : 220,871.30 = 109,751.45 : x
  2. Step 2: Convert to fraction form
    147,534.59/220,871.30 = 109,751.45/x
  3. Step 3: Cross multiply
    147,534.59x = 220,871.30 × 109,751.45
  4. Step 4: Simplify right side
    147,534.59x = 24,240,943,785.27
  5. Step 5: Solve for x
    x = 24,240,943,785.27/147,534.59
  6. Step 6: Final answer
    x = 164,306.86

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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.