Home / 140,612.40-194,042.52-76,948.92

Finding the Fourth Proportional to 140,612.40, 194,042.52 and 76,948.92

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Solution

The fourth proportional to 140,612.40, 194,042.52 and 76,948.92 is: 106,188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,612.40 : 194,042.52 = 76,948.92 : x
  2. Step 2: Convert to fraction form
    140,612.40/194,042.52 = 76,948.92/x
  3. Step 3: Cross multiply
    140,612.40x = 194,042.52 × 76,948.92
  4. Step 4: Simplify right side
    140,612.40x = 14,931,362,348.08
  5. Step 5: Solve for x
    x = 14,931,362,348.08/140,612.40
  6. Step 6: Final answer
    x = 106,188.09

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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.