Home / 115,351.64-159,197.60-64,382.09

Finding the Fourth Proportional to 115,351.64, 159,197.60 and 64,382.09

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Solution

The fourth proportional to 115,351.64, 159,197.60 and 64,382.09 is: 88,854.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,351.64 : 159,197.60 = 64,382.09 : x
  2. Step 2: Convert to fraction form
    115,351.64/159,197.60 = 64,382.09/x
  3. Step 3: Cross multiply
    115,351.64x = 159,197.60 × 64,382.09
  4. Step 4: Simplify right side
    115,351.64x = 10,249,474,471.44
  5. Step 5: Solve for x
    x = 10,249,474,471.44/115,351.64
  6. Step 6: Final answer
    x = 88,854.17

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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.