Home / 147,386.20-220,949.70-88,245.40

Finding the Fourth Proportional to 147,386.20, 220,949.70 and 88,245.40

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Solution

The fourth proportional to 147,386.20, 220,949.70 and 88,245.40 is: 132,290.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,386.20 : 220,949.70 = 88,245.40 : x
  2. Step 2: Convert to fraction form
    147,386.20/220,949.70 = 88,245.40/x
  3. Step 3: Cross multiply
    147,386.20x = 220,949.70 × 88,245.40
  4. Step 4: Simplify right side
    147,386.20x = 19,497,794,656.38
  5. Step 5: Solve for x
    x = 19,497,794,656.38/147,386.20
  6. Step 6: Final answer
    x = 132,290.50

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1.5x scale

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.