Home / 162,261.73-223,921.18-90,641.76

Finding the Fourth Proportional to 162,261.73, 223,921.18 and 90,641.76

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Solution

The fourth proportional to 162,261.73, 223,921.18 and 90,641.76 is: 125,085.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,261.73 : 223,921.18 = 90,641.76 : x
  2. Step 2: Convert to fraction form
    162,261.73/223,921.18 = 90,641.76/x
  3. Step 3: Cross multiply
    162,261.73x = 223,921.18 × 90,641.76
  4. Step 4: Simplify right side
    162,261.73x = 20,296,609,856.48
  5. Step 5: Solve for x
    x = 20,296,609,856.48/162,261.73
  6. Step 6: Final answer
    x = 125,085.62

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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.