Home / 99,514.92-149,280.81-28,437.96

Finding the Fourth Proportional to 99,514.92, 149,280.81 and 28,437.96

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Solution

The fourth proportional to 99,514.92, 149,280.81 and 28,437.96 is: 42,659.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,514.92 : 149,280.81 = 28,437.96 : x
  2. Step 2: Convert to fraction form
    99,514.92/149,280.81 = 28,437.96/x
  3. Step 3: Cross multiply
    99,514.92x = 149,280.81 × 28,437.96
  4. Step 4: Simplify right side
    99,514.92x = 4,245,241,703.55
  5. Step 5: Solve for x
    x = 4,245,241,703.55/99,514.92
  6. Step 6: Final answer
    x = 42,659.35

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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.