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Finding the Fourth Proportional to 150,199.40, 224,715.90 and 97,711.40

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Solution

The fourth proportional to 150,199.40, 224,715.90 and 97,711.40 is: 146,187.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,199.40 : 224,715.90 = 97,711.40 : x
  2. Step 2: Convert to fraction form
    150,199.40/224,715.90 = 97,711.40/x
  3. Step 3: Cross multiply
    150,199.40x = 224,715.90 × 97,711.40
  4. Step 4: Simplify right side
    150,199.40x = 21,957,305,191.26
  5. Step 5: Solve for x
    x = 21,957,305,191.26/150,199.40
  6. Step 6: Final answer
    x = 146,187.70

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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.