Home / 136,278.41-204,426.27-42,787.85

Finding the Fourth Proportional to 136,278.41, 204,426.27 and 42,787.85

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Solution

The fourth proportional to 136,278.41, 204,426.27 and 42,787.85 is: 64,184.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,278.41 : 204,426.27 = 42,787.85 : x
  2. Step 2: Convert to fraction form
    136,278.41/204,426.27 = 42,787.85/x
  3. Step 3: Cross multiply
    136,278.41x = 204,426.27 × 42,787.85
  4. Step 4: Simplify right side
    136,278.41x = 8,746,959,554.69
  5. Step 5: Solve for x
    x = 8,746,959,554.69/136,278.41
  6. Step 6: Final answer
    x = 64,184.49

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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.