Home / 135,053.82-186,400.05-89,032.71

Finding the Fourth Proportional to 135,053.82, 186,400.05 and 89,032.71

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Solution

The fourth proportional to 135,053.82, 186,400.05 and 89,032.71 is: 122,882.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,053.82 : 186,400.05 = 89,032.71 : x
  2. Step 2: Convert to fraction form
    135,053.82/186,400.05 = 89,032.71/x
  3. Step 3: Cross multiply
    135,053.82x = 186,400.05 × 89,032.71
  4. Step 4: Simplify right side
    135,053.82x = 16,595,701,595.64
  5. Step 5: Solve for x
    x = 16,595,701,595.64/135,053.82
  6. Step 6: Final answer
    x = 122,882.13

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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.