Home / 149,715.90-224,422.65-74,720.70

Finding the Fourth Proportional to 149,715.90, 224,422.65 and 74,720.70

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Solution

The fourth proportional to 149,715.90, 224,422.65 and 74,720.70 is: 112,005.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,715.90 : 224,422.65 = 74,720.70 : x
  2. Step 2: Convert to fraction form
    149,715.90/224,422.65 = 74,720.70/x
  3. Step 3: Cross multiply
    149,715.90x = 224,422.65 × 74,720.70
  4. Step 4: Simplify right side
    149,715.90x = 16,769,017,503.86
  5. Step 5: Solve for x
    x = 16,769,017,503.86/149,715.90
  6. Step 6: Final answer
    x = 112,005.59

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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.