Home / 149,131.38-223,698.36-42,515.13

Finding the Fourth Proportional to 149,131.38, 223,698.36 and 42,515.13

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Solution

The fourth proportional to 149,131.38, 223,698.36 and 42,515.13 is: 63,773.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,131.38 : 223,698.36 = 42,515.13 : x
  2. Step 2: Convert to fraction form
    149,131.38/223,698.36 = 42,515.13/x
  3. Step 3: Cross multiply
    149,131.38x = 223,698.36 × 42,515.13
  4. Step 4: Simplify right side
    149,131.38x = 9,510,564,856.19
  5. Step 5: Solve for x
    x = 9,510,564,856.19/149,131.38
  6. Step 6: Final answer
    x = 63,773.06

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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.