Home / 147,856.38-221,872.41-54,427.74

Finding the Fourth Proportional to 147,856.38, 221,872.41 and 54,427.74

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Solution

The fourth proportional to 147,856.38, 221,872.41 and 54,427.74 is: 81,673.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,856.38 : 221,872.41 = 54,427.74 : x
  2. Step 2: Convert to fraction form
    147,856.38/221,872.41 = 54,427.74/x
  3. Step 3: Cross multiply
    147,856.38x = 221,872.41 × 54,427.74
  4. Step 4: Simplify right side
    147,856.38x = 12,076,013,844.65
  5. Step 5: Solve for x
    x = 12,076,013,844.65/147,856.38
  6. Step 6: Final answer
    x = 81,673.94

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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.