Home / 148,848.65-205,411.38-80,865.89

Finding the Fourth Proportional to 148,848.65, 205,411.38 and 80,865.89

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Solution

The fourth proportional to 148,848.65, 205,411.38 and 80,865.89 is: 111,595.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,848.65 : 205,411.38 = 80,865.89 : x
  2. Step 2: Convert to fraction form
    148,848.65/205,411.38 = 80,865.89/x
  3. Step 3: Cross multiply
    148,848.65x = 205,411.38 × 80,865.89
  4. Step 4: Simplify right side
    148,848.65x = 16,610,774,059.83
  5. Step 5: Solve for x
    x = 16,610,774,059.83/148,848.65
  6. Step 6: Final answer
    x = 111,595.06

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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.