Home / 115,534.11-159,441.30-63,851.66

Finding the Fourth Proportional to 115,534.11, 159,441.30 and 63,851.66

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Solution

The fourth proportional to 115,534.11, 159,441.30 and 63,851.66 is: 88,117.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,534.11 : 159,441.30 = 63,851.66 : x
  2. Step 2: Convert to fraction form
    115,534.11/159,441.30 = 63,851.66/x
  3. Step 3: Cross multiply
    115,534.11x = 159,441.30 × 63,851.66
  4. Step 4: Simplify right side
    115,534.11x = 10,180,590,880.35
  5. Step 5: Solve for x
    x = 10,180,590,880.35/115,534.11
  6. Step 6: Final answer
    x = 88,117.62

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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.