Home / 162,422.79-224,145.05-90,806.73

Finding the Fourth Proportional to 162,422.79, 224,145.05 and 90,806.73

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Solution

The fourth proportional to 162,422.79, 224,145.05 and 90,806.73 is: 125,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,422.79 : 224,145.05 = 90,806.73 : x
  2. Step 2: Convert to fraction form
    162,422.79/224,145.05 = 90,806.73/x
  3. Step 3: Cross multiply
    162,422.79x = 224,145.05 × 90,806.73
  4. Step 4: Simplify right side
    162,422.79x = 20,353,878,582.15
  5. Step 5: Solve for x
    x = 20,353,878,582.15/162,422.79
  6. Step 6: Final answer
    x = 125,314.18

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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.