Home / 149,562.45-224,343.68-139,648.05

Finding the Fourth Proportional to 149,562.45, 224,343.68 and 139,648.05

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Solution

The fourth proportional to 149,562.45, 224,343.68 and 139,648.05 is: 209,472.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,562.45 : 224,343.68 = 139,648.05 : x
  2. Step 2: Convert to fraction form
    149,562.45/224,343.68 = 139,648.05/x
  3. Step 3: Cross multiply
    149,562.45x = 224,343.68 × 139,648.05
  4. Step 4: Simplify right side
    149,562.45x = 31,329,156,743.58
  5. Step 5: Solve for x
    x = 31,329,156,743.58/149,562.45
  6. Step 6: Final answer
    x = 209,472.08

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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.