Home / 113,026.35-169,393.73-86,600.10

Finding the Fourth Proportional to 113,026.35, 169,393.73 and 86,600.10

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Solution

The fourth proportional to 113,026.35, 169,393.73 and 86,600.10 is: 129,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,026.35 : 169,393.73 = 86,600.10 : x
  2. Step 2: Convert to fraction form
    113,026.35/169,393.73 = 86,600.10/x
  3. Step 3: Cross multiply
    113,026.35x = 169,393.73 × 86,600.10
  4. Step 4: Simplify right side
    113,026.35x = 14,669,513,524.37
  5. Step 5: Solve for x
    x = 14,669,513,524.37/113,026.35
  6. Step 6: Final answer
    x = 129,788.44

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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.