Home / 147,849.12-221,775.30-42,669

Finding the Fourth Proportional to 147,849.12, 221,775.30 and 42,669

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Solution

The fourth proportional to 147,849.12, 221,775.30 and 42,669 is: 64,003.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,849.12 : 221,775.30 = 42,669 : x
  2. Step 2: Convert to fraction form
    147,849.12/221,775.30 = 42,669/x
  3. Step 3: Cross multiply
    147,849.12x = 221,775.30 × 42,669
  4. Step 4: Simplify right side
    147,849.12x = 9,462,930,275.70
  5. Step 5: Solve for x
    x = 9,462,930,275.70/147,849.12
  6. Step 6: Final answer
    x = 64,003.97

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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.