Home / 113,009.28-169,518.72-38,131.20

Finding the Fourth Proportional to 113,009.28, 169,518.72 and 38,131.20

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Solution

The fourth proportional to 113,009.28, 169,518.72 and 38,131.20 is: 57,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,009.28 : 169,518.72 = 38,131.20 : x
  2. Step 2: Convert to fraction form
    113,009.28/169,518.72 = 38,131.20/x
  3. Step 3: Cross multiply
    113,009.28x = 169,518.72 × 38,131.20
  4. Step 4: Simplify right side
    113,009.28x = 6,463,952,216.06
  5. Step 5: Solve for x
    x = 6,463,952,216.06/113,009.28
  6. Step 6: Final answer
    x = 57,198.42

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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.