Home / 247,964.40-342,191.09-134,787.15

Finding the Fourth Proportional to 247,964.40, 342,191.09 and 134,787.15

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Solution

The fourth proportional to 247,964.40, 342,191.09 and 134,787.15 is: 186,006.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,964.40 : 342,191.09 = 134,787.15 : x
  2. Step 2: Convert to fraction form
    247,964.40/342,191.09 = 134,787.15/x
  3. Step 3: Cross multiply
    247,964.40x = 342,191.09 × 134,787.15
  4. Step 4: Simplify right side
    247,964.40x = 46,122,962,113.46
  5. Step 5: Solve for x
    x = 46,122,962,113.46/247,964.40
  6. Step 6: Final answer
    x = 186,006.39

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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.