Home / 148,848.29-205,409.79-80,864.72

Finding the Fourth Proportional to 148,848.29, 205,409.79 and 80,864.72

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Solution

The fourth proportional to 148,848.29, 205,409.79 and 80,864.72 is: 111,592.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,848.29 : 205,409.79 = 80,864.72 : x
  2. Step 2: Convert to fraction form
    148,848.29/205,409.79 = 80,864.72/x
  3. Step 3: Cross multiply
    148,848.29x = 205,409.79 × 80,864.72
  4. Step 4: Simplify right side
    148,848.29x = 16,610,405,153.61
  5. Step 5: Solve for x
    x = 16,610,405,153.61/148,848.29
  6. Step 6: Final answer
    x = 111,592.85

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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.