Home / 115,196.42-158,972.66-64,207.74

Finding the Fourth Proportional to 115,196.42, 158,972.66 and 64,207.74

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Solution

The fourth proportional to 115,196.42, 158,972.66 and 64,207.74 is: 88,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,196.42 : 158,972.66 = 64,207.74 : x
  2. Step 2: Convert to fraction form
    115,196.42/158,972.66 = 64,207.74/x
  3. Step 3: Cross multiply
    115,196.42x = 158,972.66 × 64,207.74
  4. Step 4: Simplify right side
    115,196.42x = 10,207,275,220.39
  5. Step 5: Solve for x
    x = 10,207,275,220.39/115,196.42
  6. Step 6: Final answer
    x = 88,607.57

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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.