Home / 149,817.60-224,441.28-79,729.92

Finding the Fourth Proportional to 149,817.60, 224,441.28 and 79,729.92

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Solution

The fourth proportional to 149,817.60, 224,441.28 and 79,729.92 is: 119,443.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,817.60 : 224,441.28 = 79,729.92 : x
  2. Step 2: Convert to fraction form
    149,817.60/224,441.28 = 79,729.92/x
  3. Step 3: Cross multiply
    149,817.60x = 224,441.28 × 79,729.92
  4. Step 4: Simplify right side
    149,817.60x = 17,894,685,299.10
  5. Step 5: Solve for x
    x = 17,894,685,299.10/149,817.60
  6. Step 6: Final answer
    x = 119,443.14

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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.