Home / 113,163.75-169,521.45-77,537.52

Finding the Fourth Proportional to 113,163.75, 169,521.45 and 77,537.52

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Solution

The fourth proportional to 113,163.75, 169,521.45 and 77,537.52 is: 116,152.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,163.75 : 169,521.45 = 77,537.52 : x
  2. Step 2: Convert to fraction form
    113,163.75/169,521.45 = 77,537.52/x
  3. Step 3: Cross multiply
    113,163.75x = 169,521.45 × 77,537.52
  4. Step 4: Simplify right side
    113,163.75x = 13,144,272,819.80
  5. Step 5: Solve for x
    x = 13,144,272,819.80/113,163.75
  6. Step 6: Final answer
    x = 116,152.68

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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.