Home / 194,787.20-292,180.80-76,462.40

Finding the Fourth Proportional to 194,787.20, 292,180.80 and 76,462.40

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Solution

The fourth proportional to 194,787.20, 292,180.80 and 76,462.40 is: 114,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,787.20 : 292,180.80 = 76,462.40 : x
  2. Step 2: Convert to fraction form
    194,787.20/292,180.80 = 76,462.40/x
  3. Step 3: Cross multiply
    194,787.20x = 292,180.80 × 76,462.40
  4. Step 4: Simplify right side
    194,787.20x = 22,340,845,201.92
  5. Step 5: Solve for x
    x = 22,340,845,201.92/194,787.20
  6. Step 6: Final answer
    x = 114,693.60

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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.