Home / 115,207.25-158,983.73-64,216.94

Finding the Fourth Proportional to 115,207.25, 158,983.73 and 64,216.94

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Solution

The fourth proportional to 115,207.25, 158,983.73 and 64,216.94 is: 88,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,207.25 : 158,983.73 = 64,216.94 : x
  2. Step 2: Convert to fraction form
    115,207.25/158,983.73 = 64,216.94/x
  3. Step 3: Cross multiply
    115,207.25x = 158,983.73 × 64,216.94
  4. Step 4: Simplify right side
    115,207.25x = 10,209,448,329.30
  5. Step 5: Solve for x
    x = 10,209,448,329.30/115,207.25
  6. Step 6: Final answer
    x = 88,618.11

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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.