Home / 162,162.05-223,781.27-90,543.06

Finding the Fourth Proportional to 162,162.05, 223,781.27 and 90,543.06

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Solution

The fourth proportional to 162,162.05, 223,781.27 and 90,543.06 is: 124,948.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,162.05 : 223,781.27 = 90,543.06 : x
  2. Step 2: Convert to fraction form
    162,162.05/223,781.27 = 90,543.06/x
  3. Step 3: Cross multiply
    162,162.05x = 223,781.27 × 90,543.06
  4. Step 4: Simplify right side
    162,162.05x = 20,261,840,503.77
  5. Step 5: Solve for x
    x = 20,261,840,503.77/162,162.05
  6. Step 6: Final answer
    x = 124,948.11

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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.