Home / 149,570.73-224,169-74,711.78

Finding the Fourth Proportional to 149,570.73, 224,169 and 74,711.78

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Solution

The fourth proportional to 149,570.73, 224,169 and 74,711.78 is: 111,974.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,570.73 : 224,169 = 74,711.78 : x
  2. Step 2: Convert to fraction form
    149,570.73/224,169 = 74,711.78/x
  3. Step 3: Cross multiply
    149,570.73x = 224,169 × 74,711.78
  4. Step 4: Simplify right side
    149,570.73x = 16,748,063,889.98
  5. Step 5: Solve for x
    x = 16,748,063,889.98/149,570.73
  6. Step 6: Final answer
    x = 111,974.21

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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.