Home / 151,868.67-209,580.99-88,206.48

Finding the Fourth Proportional to 151,868.67, 209,580.99 and 88,206.48

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Solution

The fourth proportional to 151,868.67, 209,580.99 and 88,206.48 is: 121,726.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,868.67 : 209,580.99 = 88,206.48 : x
  2. Step 2: Convert to fraction form
    151,868.67/209,580.99 = 88,206.48/x
  3. Step 3: Cross multiply
    151,868.67x = 209,580.99 × 88,206.48
  4. Step 4: Simplify right side
    151,868.67x = 18,486,401,402.82
  5. Step 5: Solve for x
    x = 18,486,401,402.82/151,868.67
  6. Step 6: Final answer
    x = 121,726.23

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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.