Home / 162,480.20-224,228.79-90,860.05

Finding the Fourth Proportional to 162,480.20, 224,228.79 and 90,860.05

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Solution

The fourth proportional to 162,480.20, 224,228.79 and 90,860.05 is: 125,390.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,480.20 : 224,228.79 = 90,860.05 : x
  2. Step 2: Convert to fraction form
    162,480.20/224,228.79 = 90,860.05/x
  3. Step 3: Cross multiply
    162,480.20x = 224,228.79 × 90,860.05
  4. Step 4: Simplify right side
    162,480.20x = 20,373,438,510.27
  5. Step 5: Solve for x
    x = 20,373,438,510.27/162,480.20
  6. Step 6: Final answer
    x = 125,390.28

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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.