Home / 162,320.10-243,480.15-122,954.10

Finding the Fourth Proportional to 162,320.10, 243,480.15 and 122,954.10

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Solution

The fourth proportional to 162,320.10, 243,480.15 and 122,954.10 is: 184,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,320.10 : 243,480.15 = 122,954.10 : x
  2. Step 2: Convert to fraction form
    162,320.10/243,480.15 = 122,954.10/x
  3. Step 3: Cross multiply
    162,320.10x = 243,480.15 × 122,954.10
  4. Step 4: Simplify right side
    162,320.10x = 29,936,882,711.12
  5. Step 5: Solve for x
    x = 29,936,882,711.12/162,320.10
  6. Step 6: Final answer
    x = 184,431.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.