Home / 109,233.66-150,742.80-61,487.76

Finding the Fourth Proportional to 109,233.66, 150,742.80 and 61,487.76

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Solution

The fourth proportional to 109,233.66, 150,742.80 and 61,487.76 is: 84,853.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,233.66 : 150,742.80 = 61,487.76 : x
  2. Step 2: Convert to fraction form
    109,233.66/150,742.80 = 61,487.76/x
  3. Step 3: Cross multiply
    109,233.66x = 150,742.80 × 61,487.76
  4. Step 4: Simplify right side
    109,233.66x = 9,268,837,108.13
  5. Step 5: Solve for x
    x = 9,268,837,108.13/109,233.66
  6. Step 6: Final answer
    x = 84,853.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.