Home / 109,240.56-163,875.42-38,177.64

Finding the Fourth Proportional to 109,240.56, 163,875.42 and 38,177.64

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Solution

The fourth proportional to 109,240.56, 163,875.42 and 38,177.64 is: 57,271.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,240.56 : 163,875.42 = 38,177.64 : x
  2. Step 2: Convert to fraction form
    109,240.56/163,875.42 = 38,177.64/x
  3. Step 3: Cross multiply
    109,240.56x = 163,875.42 × 38,177.64
  4. Step 4: Simplify right side
    109,240.56x = 6,256,376,789.61
  5. Step 5: Solve for x
    x = 6,256,376,789.61/109,240.56
  6. Step 6: Final answer
    x = 57,271.56

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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.