Home / 149,257.80-223,595.10-89,917.20

Finding the Fourth Proportional to 149,257.80, 223,595.10 and 89,917.20

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Solution

The fourth proportional to 149,257.80, 223,595.10 and 89,917.20 is: 134,700.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,257.80 : 223,595.10 = 89,917.20 : x
  2. Step 2: Convert to fraction form
    149,257.80/223,595.10 = 89,917.20/x
  3. Step 3: Cross multiply
    149,257.80x = 223,595.10 × 89,917.20
  4. Step 4: Simplify right side
    149,257.80x = 20,105,045,325.72
  5. Step 5: Solve for x
    x = 20,105,045,325.72/149,257.80
  6. Step 6: Final answer
    x = 134,700.13

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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.