Home / 147,701.88-221,585.22-47,872.08

Finding the Fourth Proportional to 147,701.88, 221,585.22 and 47,872.08

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Solution

The fourth proportional to 147,701.88, 221,585.22 and 47,872.08 is: 71,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,701.88 : 221,585.22 = 47,872.08 : x
  2. Step 2: Convert to fraction form
    147,701.88/221,585.22 = 47,872.08/x
  3. Step 3: Cross multiply
    147,701.88x = 221,585.22 × 47,872.08
  4. Step 4: Simplify right side
    147,701.88x = 10,607,745,378.66
  5. Step 5: Solve for x
    x = 10,607,745,378.66/147,701.88
  6. Step 6: Final answer
    x = 71,818.62

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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.