Home / 113,260.77-169,868.48-107,640.45

Finding the Fourth Proportional to 113,260.77, 169,868.48 and 107,640.45

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Solution

The fourth proportional to 113,260.77, 169,868.48 and 107,640.45 is: 161,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,260.77 : 169,868.48 = 107,640.45 : x
  2. Step 2: Convert to fraction form
    113,260.77/169,868.48 = 107,640.45/x
  3. Step 3: Cross multiply
    113,260.77x = 169,868.48 × 107,640.45
  4. Step 4: Simplify right side
    113,260.77x = 18,284,719,089.81
  5. Step 5: Solve for x
    x = 18,284,719,089.81/113,260.77
  6. Step 6: Final answer
    x = 161,439.12

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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.