Home / 149,139.32-223,576.36-54,351.70

Finding the Fourth Proportional to 149,139.32, 223,576.36 and 54,351.70

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Solution

The fourth proportional to 149,139.32, 223,576.36 and 54,351.70 is: 81,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,139.32 : 223,576.36 = 54,351.70 : x
  2. Step 2: Convert to fraction form
    149,139.32/223,576.36 = 54,351.70/x
  3. Step 3: Cross multiply
    149,139.32x = 223,576.36 × 54,351.70
  4. Step 4: Simplify right side
    149,139.32x = 12,151,754,550.99
  5. Step 5: Solve for x
    x = 12,151,754,550.99/149,139.32
  6. Step 6: Final answer
    x = 81,479.22

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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.