Home / 147,512.05-221,251.07-40,903.90

Finding the Fourth Proportional to 147,512.05, 221,251.07 and 40,903.90

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Solution

The fourth proportional to 147,512.05, 221,251.07 and 40,903.90 is: 61,351.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,512.05 : 221,251.07 = 40,903.90 : x
  2. Step 2: Convert to fraction form
    147,512.05/221,251.07 = 40,903.90/x
  3. Step 3: Cross multiply
    147,512.05x = 221,251.07 × 40,903.90
  4. Step 4: Simplify right side
    147,512.05x = 9,050,031,437.65
  5. Step 5: Solve for x
    x = 9,050,031,437.65/147,512.05
  6. Step 6: Final answer
    x = 61,351.13

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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.