Home / 125,311.32-187,966.82-30,541.40

Finding the Fourth Proportional to 125,311.32, 187,966.82 and 30,541.40

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Solution

The fourth proportional to 125,311.32, 187,966.82 and 30,541.40 is: 45,812.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,311.32 : 187,966.82 = 30,541.40 : x
  2. Step 2: Convert to fraction form
    125,311.32/187,966.82 = 30,541.40/x
  3. Step 3: Cross multiply
    125,311.32x = 187,966.82 × 30,541.40
  4. Step 4: Simplify right side
    125,311.32x = 5,740,769,836.35
  5. Step 5: Solve for x
    x = 5,740,769,836.35/125,311.32
  6. Step 6: Final answer
    x = 45,812.06

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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.