Home / 148,811.65-205,360.52-88,384.84

Finding the Fourth Proportional to 148,811.65, 205,360.52 and 88,384.84

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Solution

The fourth proportional to 148,811.65, 205,360.52 and 88,384.84 is: 121,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,811.65 : 205,360.52 = 88,384.84 : x
  2. Step 2: Convert to fraction form
    148,811.65/205,360.52 = 88,384.84/x
  3. Step 3: Cross multiply
    148,811.65x = 205,360.52 × 88,384.84
  4. Step 4: Simplify right side
    148,811.65x = 18,150,755,747.19
  5. Step 5: Solve for x
    x = 18,150,755,747.19/148,811.65
  6. Step 6: Final answer
    x = 121,971.34

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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.