Home / 113,764.50-157,026.23-66,033.22

Finding the Fourth Proportional to 113,764.50, 157,026.23 and 66,033.22

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Solution

The fourth proportional to 113,764.50, 157,026.23 and 66,033.22 is: 91,143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,764.50 : 157,026.23 = 66,033.22 : x
  2. Step 2: Convert to fraction form
    113,764.50/157,026.23 = 66,033.22/x
  3. Step 3: Cross multiply
    113,764.50x = 157,026.23 × 66,033.22
  4. Step 4: Simplify right side
    113,764.50x = 10,368,948,247.15
  5. Step 5: Solve for x
    x = 10,368,948,247.15/113,764.50
  6. Step 6: Final answer
    x = 91,143.97

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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.