Home / 187,764.20-259,113.24-101,721.32

Finding the Fourth Proportional to 187,764.20, 259,113.24 and 101,721.32

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Solution

The fourth proportional to 187,764.20, 259,113.24 and 101,721.32 is: 140,374.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,764.20 : 259,113.24 = 101,721.32 : x
  2. Step 2: Convert to fraction form
    187,764.20/259,113.24 = 101,721.32/x
  3. Step 3: Cross multiply
    187,764.20x = 259,113.24 × 101,721.32
  4. Step 4: Simplify right side
    187,764.20x = 26,357,340,802.28
  5. Step 5: Solve for x
    x = 26,357,340,802.28/187,764.20
  6. Step 6: Final answer
    x = 140,374.69

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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.