Home / 158,930.17-219,517.91-118,822.21

Finding the Fourth Proportional to 158,930.17, 219,517.91 and 118,822.21

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Solution

The fourth proportional to 158,930.17, 219,517.91 and 118,822.21 is: 164,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,930.17 : 219,517.91 = 118,822.21 : x
  2. Step 2: Convert to fraction form
    158,930.17/219,517.91 = 118,822.21/x
  3. Step 3: Cross multiply
    158,930.17x = 219,517.91 × 118,822.21
  4. Step 4: Simplify right side
    158,930.17x = 26,083,603,200.78
  5. Step 5: Solve for x
    x = 26,083,603,200.78/158,930.17
  6. Step 6: Final answer
    x = 164,119.90

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1.5x scale

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.