Home / 187,411.20-281,181.60-180,931.20

Finding the Fourth Proportional to 187,411.20, 281,181.60 and 180,931.20

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Solution

The fourth proportional to 187,411.20, 281,181.60 and 180,931.20 is: 271,459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,411.20 : 281,181.60 = 180,931.20 : x
  2. Step 2: Convert to fraction form
    187,411.20/281,181.60 = 180,931.20/x
  3. Step 3: Cross multiply
    187,411.20x = 281,181.60 × 180,931.20
  4. Step 4: Simplify right side
    187,411.20x = 50,874,524,305.92
  5. Step 5: Solve for x
    x = 50,874,524,305.92/187,411.20
  6. Step 6: Final answer
    x = 271,459.36

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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.