Home / 113,130.30-169,757.78-68,788.19

Finding the Fourth Proportional to 113,130.30, 169,757.78 and 68,788.19

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Solution

The fourth proportional to 113,130.30, 169,757.78 and 68,788.19 is: 103,220.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,130.30 : 169,757.78 = 68,788.19 : x
  2. Step 2: Convert to fraction form
    113,130.30/169,757.78 = 68,788.19/x
  3. Step 3: Cross multiply
    113,130.30x = 169,757.78 × 68,788.19
  4. Step 4: Simplify right side
    113,130.30x = 11,677,329,550.18
  5. Step 5: Solve for x
    x = 11,677,329,550.18/113,130.30
  6. Step 6: Final answer
    x = 103,220.18

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1.5x scale

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.