Home / 221,938.44-306,680.76-158,165.52

Finding the Fourth Proportional to 221,938.44, 306,680.76 and 158,165.52

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Solution

The fourth proportional to 221,938.44, 306,680.76 and 158,165.52 is: 218,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,938.44 : 306,680.76 = 158,165.52 : x
  2. Step 2: Convert to fraction form
    221,938.44/306,680.76 = 158,165.52/x
  3. Step 3: Cross multiply
    221,938.44x = 306,680.76 × 158,165.52
  4. Step 4: Simplify right side
    221,938.44x = 48,506,321,879.40
  5. Step 5: Solve for x
    x = 48,506,321,879.40/221,938.44
  6. Step 6: Final answer
    x = 218,557.55

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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.