Home / 149,538.58-224,356.47-99,820.78

Finding the Fourth Proportional to 149,538.58, 224,356.47 and 99,820.78

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Solution

The fourth proportional to 149,538.58, 224,356.47 and 99,820.78 is: 149,763.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,538.58 : 224,356.47 = 99,820.78 : x
  2. Step 2: Convert to fraction form
    149,538.58/224,356.47 = 99,820.78/x
  3. Step 3: Cross multiply
    149,538.58x = 224,356.47 × 99,820.78
  4. Step 4: Simplify right side
    149,538.58x = 22,395,437,833.45
  5. Step 5: Solve for x
    x = 22,395,437,833.45/149,538.58
  6. Step 6: Final answer
    x = 149,763.61

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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.