Home / 148,636.05-205,288.11-97,875.72

Finding the Fourth Proportional to 148,636.05, 205,288.11 and 97,875.72

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Solution

The fourth proportional to 148,636.05, 205,288.11 and 97,875.72 is: 135,180.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,636.05 : 205,288.11 = 97,875.72 : x
  2. Step 2: Convert to fraction form
    148,636.05/205,288.11 = 97,875.72/x
  3. Step 3: Cross multiply
    148,636.05x = 205,288.11 × 97,875.72
  4. Step 4: Simplify right side
    148,636.05x = 20,092,721,573.69
  5. Step 5: Solve for x
    x = 20,092,721,573.69/148,636.05
  6. Step 6: Final answer
    x = 135,180.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.