Home / 163,312.20-225,371.16-91,692

Finding the Fourth Proportional to 163,312.20, 225,371.16 and 91,692

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Solution

The fourth proportional to 163,312.20, 225,371.16 and 91,692 is: 126,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,312.20 : 225,371.16 = 91,692 : x
  2. Step 2: Convert to fraction form
    163,312.20/225,371.16 = 91,692/x
  3. Step 3: Cross multiply
    163,312.20x = 225,371.16 × 91,692
  4. Step 4: Simplify right side
    163,312.20x = 20,664,732,402.72
  5. Step 5: Solve for x
    x = 20,664,732,402.72/163,312.20
  6. Step 6: Final answer
    x = 126,535.14

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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.