Home / 162,398.43-224,109.18-90,778.41

Finding the Fourth Proportional to 162,398.43, 224,109.18 and 90,778.41

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Solution

The fourth proportional to 162,398.43, 224,109.18 and 90,778.41 is: 125,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,398.43 : 224,109.18 = 90,778.41 : x
  2. Step 2: Convert to fraction form
    162,398.43/224,109.18 = 90,778.41/x
  3. Step 3: Cross multiply
    162,398.43x = 224,109.18 × 90,778.41
  4. Step 4: Simplify right side
    162,398.43x = 20,344,275,026.80
  5. Step 5: Solve for x
    x = 20,344,275,026.80/162,398.43
  6. Step 6: Final answer
    x = 125,273.84

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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.