Home / 149,928.54-224,929.72-105,641.78

Finding the Fourth Proportional to 149,928.54, 224,929.72 and 105,641.78

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Solution

The fourth proportional to 149,928.54, 224,929.72 and 105,641.78 is: 158,488.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,928.54 : 224,929.72 = 105,641.78 : x
  2. Step 2: Convert to fraction form
    149,928.54/224,929.72 = 105,641.78/x
  3. Step 3: Cross multiply
    149,928.54x = 224,929.72 × 105,641.78
  4. Step 4: Simplify right side
    149,928.54x = 23,761,975,995.70
  5. Step 5: Solve for x
    x = 23,761,975,995.70/149,928.54
  6. Step 6: Final answer
    x = 158,488.68

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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.