Home / 115,274.34-159,078.29-64,287.14

Finding the Fourth Proportional to 115,274.34, 159,078.29 and 64,287.14

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Solution

The fourth proportional to 115,274.34, 159,078.29 and 64,287.14 is: 88,716.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,274.34 : 159,078.29 = 64,287.14 : x
  2. Step 2: Convert to fraction form
    115,274.34/159,078.29 = 64,287.14/x
  3. Step 3: Cross multiply
    115,274.34x = 159,078.29 × 64,287.14
  4. Step 4: Simplify right side
    115,274.34x = 10,226,687,183.36
  5. Step 5: Solve for x
    x = 10,226,687,183.36/115,274.34
  6. Step 6: Final answer
    x = 88,716.08

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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.