Home / 147,390.20-220,955.70-88,249.40

Finding the Fourth Proportional to 147,390.20, 220,955.70 and 88,249.40

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Solution

The fourth proportional to 147,390.20, 220,955.70 and 88,249.40 is: 132,296.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,390.20 : 220,955.70 = 88,249.40 : x
  2. Step 2: Convert to fraction form
    147,390.20/220,955.70 = 88,249.40/x
  3. Step 3: Cross multiply
    147,390.20x = 220,955.70 × 88,249.40
  4. Step 4: Simplify right side
    147,390.20x = 19,499,207,951.58
  5. Step 5: Solve for x
    x = 19,499,207,951.58/147,390.20
  6. Step 6: Final answer
    x = 132,296.50

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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.