Home / 147,439.56-221,160.84-36,631.56

Finding the Fourth Proportional to 147,439.56, 221,160.84 and 36,631.56

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Solution

The fourth proportional to 147,439.56, 221,160.84 and 36,631.56 is: 54,947.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,439.56 : 221,160.84 = 36,631.56 : x
  2. Step 2: Convert to fraction form
    147,439.56/221,160.84 = 36,631.56/x
  3. Step 3: Cross multiply
    147,439.56x = 221,160.84 × 36,631.56
  4. Step 4: Simplify right side
    147,439.56x = 8,101,466,580.11
  5. Step 5: Solve for x
    x = 8,101,466,580.11/147,439.56
  6. Step 6: Final answer
    x = 54,947.71

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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.