Home / 112,959.23-169,380.98-59,679.81

Finding the Fourth Proportional to 112,959.23, 169,380.98 and 59,679.81

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Solution

The fourth proportional to 112,959.23, 169,380.98 and 59,679.81 is: 89,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,959.23 : 169,380.98 = 59,679.81 : x
  2. Step 2: Convert to fraction form
    112,959.23/169,380.98 = 59,679.81/x
  3. Step 3: Cross multiply
    112,959.23x = 169,380.98 × 59,679.81
  4. Step 4: Simplify right side
    112,959.23x = 10,108,624,704.01
  5. Step 5: Solve for x
    x = 10,108,624,704.01/112,959.23
  6. Step 6: Final answer
    x = 89,489.14

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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.