Home / 115,230.94-159,019.38-64,246.88

Finding the Fourth Proportional to 115,230.94, 159,019.38 and 64,246.88

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Solution

The fourth proportional to 115,230.94, 159,019.38 and 64,246.88 is: 88,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,230.94 : 159,019.38 = 64,246.88 : x
  2. Step 2: Convert to fraction form
    115,230.94/159,019.38 = 64,246.88/x
  3. Step 3: Cross multiply
    115,230.94x = 159,019.38 × 64,246.88
  4. Step 4: Simplify right side
    115,230.94x = 10,216,499,422.08
  5. Step 5: Solve for x
    x = 10,216,499,422.08/115,230.94
  6. Step 6: Final answer
    x = 88,661.08

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1.5x scale

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.