Home / 115,936.77-160,002.87-64,948.68

Finding the Fourth Proportional to 115,936.77, 160,002.87 and 64,948.68

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Solution

The fourth proportional to 115,936.77, 160,002.87 and 64,948.68 is: 89,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,936.77 : 160,002.87 = 64,948.68 : x
  2. Step 2: Convert to fraction form
    115,936.77/160,002.87 = 64,948.68/x
  3. Step 3: Cross multiply
    115,936.77x = 160,002.87 × 64,948.68
  4. Step 4: Simplify right side
    115,936.77x = 10,391,975,202.71
  5. Step 5: Solve for x
    x = 10,391,975,202.71/115,936.77
  6. Step 6: Final answer
    x = 89,634.85

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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.