Home / 109,869.75-151,623.45-62,122.05

Finding the Fourth Proportional to 109,869.75, 151,623.45 and 62,122.05

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Solution

The fourth proportional to 109,869.75, 151,623.45 and 62,122.05 is: 85,730.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,869.75 : 151,623.45 = 62,122.05 : x
  2. Step 2: Convert to fraction form
    109,869.75/151,623.45 = 62,122.05/x
  3. Step 3: Cross multiply
    109,869.75x = 151,623.45 × 62,122.05
  4. Step 4: Simplify right side
    109,869.75x = 9,419,159,542.07
  5. Step 5: Solve for x
    x = 9,419,159,542.07/109,869.75
  6. Step 6: Final answer
    x = 85,730.24

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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.