Home / 106,587.06-159,821.80-43,391

Finding the Fourth Proportional to 106,587.06, 159,821.80 and 43,391

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Solution

The fourth proportional to 106,587.06, 159,821.80 and 43,391 is: 65,062.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,587.06 : 159,821.80 = 43,391 : x
  2. Step 2: Convert to fraction form
    106,587.06/159,821.80 = 43,391/x
  3. Step 3: Cross multiply
    106,587.06x = 159,821.80 × 43,391
  4. Step 4: Simplify right side
    106,587.06x = 6,934,827,723.80
  5. Step 5: Solve for x
    x = 6,934,827,723.80/106,587.06
  6. Step 6: Final answer
    x = 65,062.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.