Home / 147,014.10-220,521.15-87,819.30

Finding the Fourth Proportional to 147,014.10, 220,521.15 and 87,819.30

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Solution

The fourth proportional to 147,014.10, 220,521.15 and 87,819.30 is: 131,728.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,014.10 : 220,521.15 = 87,819.30 : x
  2. Step 2: Convert to fraction form
    147,014.10/220,521.15 = 87,819.30/x
  3. Step 3: Cross multiply
    147,014.10x = 220,521.15 × 87,819.30
  4. Step 4: Simplify right side
    147,014.10x = 19,366,013,028.20
  5. Step 5: Solve for x
    x = 19,366,013,028.20/147,014.10
  6. Step 6: Final answer
    x = 131,728.95

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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.