Home / 113,323.02-169,565.25-68,370.45

Finding the Fourth Proportional to 113,323.02, 169,565.25 and 68,370.45

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Solution

The fourth proportional to 113,323.02, 169,565.25 and 68,370.45 is: 102,302.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,323.02 : 169,565.25 = 68,370.45 : x
  2. Step 2: Convert to fraction form
    113,323.02/169,565.25 = 68,370.45/x
  3. Step 3: Cross multiply
    113,323.02x = 169,565.25 × 68,370.45
  4. Step 4: Simplify right side
    113,323.02x = 11,593,252,105.01
  5. Step 5: Solve for x
    x = 11,593,252,105.01/113,323.02
  6. Step 6: Final answer
    x = 102,302.71

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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.