Home / 147,500.10-221,250.15-88,305.30

Finding the Fourth Proportional to 147,500.10, 221,250.15 and 88,305.30

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Solution

The fourth proportional to 147,500.10, 221,250.15 and 88,305.30 is: 132,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,500.10 : 221,250.15 = 88,305.30 : x
  2. Step 2: Convert to fraction form
    147,500.10/221,250.15 = 88,305.30/x
  3. Step 3: Cross multiply
    147,500.10x = 221,250.15 × 88,305.30
  4. Step 4: Simplify right side
    147,500.10x = 19,537,560,870.80
  5. Step 5: Solve for x
    x = 19,537,560,870.80/147,500.10
  6. Step 6: Final answer
    x = 132,457.95

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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.