Home / 98,278.20-147,417.30-27,200.70

Finding the Fourth Proportional to 98,278.20, 147,417.30 and 27,200.70

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Solution

The fourth proportional to 98,278.20, 147,417.30 and 27,200.70 is: 40,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,278.20 : 147,417.30 = 27,200.70 : x
  2. Step 2: Convert to fraction form
    98,278.20/147,417.30 = 27,200.70/x
  3. Step 3: Cross multiply
    98,278.20x = 147,417.30 × 27,200.70
  4. Step 4: Simplify right side
    98,278.20x = 4,009,853,752.11
  5. Step 5: Solve for x
    x = 4,009,853,752.11/98,278.20
  6. Step 6: Final answer
    x = 40,801.05

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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.