Home / 162,316.18-223,997.45-90,699.22

Finding the Fourth Proportional to 162,316.18, 223,997.45 and 90,699.22

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Solution

The fourth proportional to 162,316.18, 223,997.45 and 90,699.22 is: 125,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,316.18 : 223,997.45 = 90,699.22 : x
  2. Step 2: Convert to fraction form
    162,316.18/223,997.45 = 90,699.22/x
  3. Step 3: Cross multiply
    162,316.18x = 223,997.45 × 90,699.22
  4. Step 4: Simplify right side
    162,316.18x = 20,316,394,503.73
  5. Step 5: Solve for x
    x = 20,316,394,503.73/162,316.18
  6. Step 6: Final answer
    x = 125,165.55

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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.