Home / 145,853.38-218,816.97-40,672.36

Finding the Fourth Proportional to 145,853.38, 218,816.97 and 40,672.36

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Solution

The fourth proportional to 145,853.38, 218,816.97 and 40,672.36 is: 61,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,853.38 : 218,816.97 = 40,672.36 : x
  2. Step 2: Convert to fraction form
    145,853.38/218,816.97 = 40,672.36/x
  3. Step 3: Cross multiply
    145,853.38x = 218,816.97 × 40,672.36
  4. Step 4: Simplify right side
    145,853.38x = 8,899,801,280.50
  5. Step 5: Solve for x
    x = 8,899,801,280.50/145,853.38
  6. Step 6: Final answer
    x = 61,018.82

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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.