Home / 149,949.09-224,812.53-90,770.76

Finding the Fourth Proportional to 149,949.09, 224,812.53 and 90,770.76

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Solution

The fourth proportional to 149,949.09, 224,812.53 and 90,770.76 is: 136,088.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,949.09 : 224,812.53 = 90,770.76 : x
  2. Step 2: Convert to fraction form
    149,949.09/224,812.53 = 90,770.76/x
  3. Step 3: Cross multiply
    149,949.09x = 224,812.53 × 90,770.76
  4. Step 4: Simplify right side
    149,949.09x = 20,406,404,205.62
  5. Step 5: Solve for x
    x = 20,406,404,205.62/149,949.09
  6. Step 6: Final answer
    x = 136,088.88

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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.