Home / 147,765.09-221,680.07-47,935.38

Finding the Fourth Proportional to 147,765.09, 221,680.07 and 47,935.38

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Solution

The fourth proportional to 147,765.09, 221,680.07 and 47,935.38 is: 71,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,765.09 : 221,680.07 = 47,935.38 : x
  2. Step 2: Convert to fraction form
    147,765.09/221,680.07 = 47,935.38/x
  3. Step 3: Cross multiply
    147,765.09x = 221,680.07 × 47,935.38
  4. Step 4: Simplify right side
    147,765.09x = 10,626,318,154.20
  5. Step 5: Solve for x
    x = 10,626,318,154.20/147,765.09
  6. Step 6: Final answer
    x = 71,913.59

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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.