Home / 117,045.60-161,521.77-63,329.43

Finding the Fourth Proportional to 117,045.60, 161,521.77 and 63,329.43

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Solution

The fourth proportional to 117,045.60, 161,521.77 and 63,329.43 is: 87,393.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,045.60 : 161,521.77 = 63,329.43 : x
  2. Step 2: Convert to fraction form
    117,045.60/161,521.77 = 63,329.43/x
  3. Step 3: Cross multiply
    117,045.60x = 161,521.77 × 63,329.43
  4. Step 4: Simplify right side
    117,045.60x = 10,229,081,626.69
  5. Step 5: Solve for x
    x = 10,229,081,626.69/117,045.60
  6. Step 6: Final answer
    x = 87,393.99

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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.