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Finding the Fourth Proportional to 147,948.63, 221,978.85 and 88,825.51

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Solution

The fourth proportional to 147,948.63, 221,978.85 and 88,825.51 is: 133,271.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,948.63 : 221,978.85 = 88,825.51 : x
  2. Step 2: Convert to fraction form
    147,948.63/221,978.85 = 88,825.51/x
  3. Step 3: Cross multiply
    147,948.63x = 221,978.85 × 88,825.51
  4. Step 4: Simplify right side
    147,948.63x = 19,717,384,560.46
  5. Step 5: Solve for x
    x = 19,717,384,560.46/147,948.63
  6. Step 6: Final answer
    x = 133,271.83

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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.