Home / 99,328.63-149,086.59-36,209.76

Finding the Fourth Proportional to 99,328.63, 149,086.59 and 36,209.76

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Solution

The fourth proportional to 99,328.63, 149,086.59 and 36,209.76 is: 54,348.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,328.63 : 149,086.59 = 36,209.76 : x
  2. Step 2: Convert to fraction form
    99,328.63/149,086.59 = 36,209.76/x
  3. Step 3: Cross multiply
    99,328.63x = 149,086.59 × 36,209.76
  4. Step 4: Simplify right side
    99,328.63x = 5,398,389,643.12
  5. Step 5: Solve for x
    x = 5,398,389,643.12/99,328.63
  6. Step 6: Final answer
    x = 54,348.78

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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.