Home / 145,331.66-217,995.33-40,148.30

Finding the Fourth Proportional to 145,331.66, 217,995.33 and 40,148.30

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Solution

The fourth proportional to 145,331.66, 217,995.33 and 40,148.30 is: 60,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,331.66 : 217,995.33 = 40,148.30 : x
  2. Step 2: Convert to fraction form
    145,331.66/217,995.33 = 40,148.30/x
  3. Step 3: Cross multiply
    145,331.66x = 217,995.33 × 40,148.30
  4. Step 4: Simplify right side
    145,331.66x = 8,752,141,907.44
  5. Step 5: Solve for x
    x = 8,752,141,907.44/145,331.66
  6. Step 6: Final answer
    x = 60,221.85

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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.