Home / 162,349.72-224,042.18-90,729.68

Finding the Fourth Proportional to 162,349.72, 224,042.18 and 90,729.68

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Solution

The fourth proportional to 162,349.72, 224,042.18 and 90,729.68 is: 125,206.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,349.72 : 224,042.18 = 90,729.68 : x
  2. Step 2: Convert to fraction form
    162,349.72/224,042.18 = 90,729.68/x
  3. Step 3: Cross multiply
    162,349.72x = 224,042.18 × 90,729.68
  4. Step 4: Simplify right side
    162,349.72x = 20,327,275,297.90
  5. Step 5: Solve for x
    x = 20,327,275,297.90/162,349.72
  6. Step 6: Final answer
    x = 125,206.72

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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.