Home / 162,481.20-224,222.52-90,860.40

Finding the Fourth Proportional to 162,481.20, 224,222.52 and 90,860.40

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Solution

The fourth proportional to 162,481.20, 224,222.52 and 90,860.40 is: 125,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,481.20 : 224,222.52 = 90,860.40 : x
  2. Step 2: Convert to fraction form
    162,481.20/224,222.52 = 90,860.40/x
  3. Step 3: Cross multiply
    162,481.20x = 224,222.52 × 90,860.40
  4. Step 4: Simplify right side
    162,481.20x = 20,372,947,856.21
  5. Step 5: Solve for x
    x = 20,372,947,856.21/162,481.20
  6. Step 6: Final answer
    x = 125,386.49

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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.