Home / 147,415.08-221,121.41-42,234.15

Finding the Fourth Proportional to 147,415.08, 221,121.41 and 42,234.15

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Solution

The fourth proportional to 147,415.08, 221,121.41 and 42,234.15 is: 63,350.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,415.08 : 221,121.41 = 42,234.15 : x
  2. Step 2: Convert to fraction form
    147,415.08/221,121.41 = 42,234.15/x
  3. Step 3: Cross multiply
    147,415.08x = 221,121.41 × 42,234.15
  4. Step 4: Simplify right side
    147,415.08x = 9,338,874,586.98
  5. Step 5: Solve for x
    x = 9,338,874,586.98/147,415.08
  6. Step 6: Final answer
    x = 63,350.88

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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.