Home / 147,326.20-220,859.70-88,185.40

Finding the Fourth Proportional to 147,326.20, 220,859.70 and 88,185.40

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Solution

The fourth proportional to 147,326.20, 220,859.70 and 88,185.40 is: 132,200.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,326.20 : 220,859.70 = 88,185.40 : x
  2. Step 2: Convert to fraction form
    147,326.20/220,859.70 = 88,185.40/x
  3. Step 3: Cross multiply
    147,326.20x = 220,859.70 × 88,185.40
  4. Step 4: Simplify right side
    147,326.20x = 19,476,600,988.38
  5. Step 5: Solve for x
    x = 19,476,600,988.38/147,326.20
  6. Step 6: Final answer
    x = 132,200.53

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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.