Home / 113,127.74-169,763.09-63,240.60

Finding the Fourth Proportional to 113,127.74, 169,763.09 and 63,240.60

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Solution

The fourth proportional to 113,127.74, 169,763.09 and 63,240.60 is: 94,900.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,127.74 : 169,763.09 = 63,240.60 : x
  2. Step 2: Convert to fraction form
    113,127.74/169,763.09 = 63,240.60/x
  3. Step 3: Cross multiply
    113,127.74x = 169,763.09 × 63,240.60
  4. Step 4: Simplify right side
    113,127.74x = 10,735,919,390.67
  5. Step 5: Solve for x
    x = 10,735,919,390.67/113,127.74
  6. Step 6: Final answer
    x = 94,900.86

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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.