Home / 162,402.17-224,119.96-90,785.21

Finding the Fourth Proportional to 162,402.17, 224,119.96 and 90,785.21

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Solution

The fourth proportional to 162,402.17, 224,119.96 and 90,785.21 is: 125,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,402.17 : 224,119.96 = 90,785.21 : x
  2. Step 2: Convert to fraction form
    162,402.17/224,119.96 = 90,785.21/x
  3. Step 3: Cross multiply
    162,402.17x = 224,119.96 × 90,785.21
  4. Step 4: Simplify right side
    162,402.17x = 20,346,777,633.79
  5. Step 5: Solve for x
    x = 20,346,777,633.79/162,402.17
  6. Step 6: Final answer
    x = 125,286.37

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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.