Home / 109,267.83-163,862.19-38,170.62

Finding the Fourth Proportional to 109,267.83, 163,862.19 and 38,170.62

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Solution

The fourth proportional to 109,267.83, 163,862.19 and 38,170.62 is: 57,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,267.83 : 163,862.19 = 38,170.62 : x
  2. Step 2: Convert to fraction form
    109,267.83/163,862.19 = 38,170.62/x
  3. Step 3: Cross multiply
    109,267.83x = 163,862.19 × 38,170.62
  4. Step 4: Simplify right side
    109,267.83x = 6,254,721,386.86
  5. Step 5: Solve for x
    x = 6,254,721,386.86/109,267.83
  6. Step 6: Final answer
    x = 57,242.11

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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.