Home / 99,250.20-148,875.30-63,820.80

Finding the Fourth Proportional to 99,250.20, 148,875.30 and 63,820.80

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Solution

The fourth proportional to 99,250.20, 148,875.30 and 63,820.80 is: 95,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,250.20 : 148,875.30 = 63,820.80 : x
  2. Step 2: Convert to fraction form
    99,250.20/148,875.30 = 63,820.80/x
  3. Step 3: Cross multiply
    99,250.20x = 148,875.30 × 63,820.80
  4. Step 4: Simplify right side
    99,250.20x = 9,501,340,746.24
  5. Step 5: Solve for x
    x = 9,501,340,746.24/99,250.20
  6. Step 6: Final answer
    x = 95,731.20

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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.