Home / 162,821.20-224,686.60-91,200.08

Finding the Fourth Proportional to 162,821.20, 224,686.60 and 91,200.08

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Solution

The fourth proportional to 162,821.20, 224,686.60 and 91,200.08 is: 125,852.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,821.20 : 224,686.60 = 91,200.08 : x
  2. Step 2: Convert to fraction form
    162,821.20/224,686.60 = 91,200.08/x
  3. Step 3: Cross multiply
    162,821.20x = 224,686.60 × 91,200.08
  4. Step 4: Simplify right side
    162,821.20x = 20,491,435,894.93
  5. Step 5: Solve for x
    x = 20,491,435,894.93/162,821.20
  6. Step 6: Final answer
    x = 125,852.38

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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.