Home / 268,170.12-370,076.85-147,312.72

Finding the Fourth Proportional to 268,170.12, 370,076.85 and 147,312.72

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Solution

The fourth proportional to 268,170.12, 370,076.85 and 147,312.72 is: 203,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,170.12 : 370,076.85 = 147,312.72 : x
  2. Step 2: Convert to fraction form
    268,170.12/370,076.85 = 147,312.72/x
  3. Step 3: Cross multiply
    268,170.12x = 370,076.85 × 147,312.72
  4. Step 4: Simplify right side
    268,170.12x = 54,517,027,382.53
  5. Step 5: Solve for x
    x = 54,517,027,382.53/268,170.12
  6. Step 6: Final answer
    x = 203,292.70

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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.