Home / 136,655.26-188,592.71-75,401.15

Finding the Fourth Proportional to 136,655.26, 188,592.71 and 75,401.15

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Solution

The fourth proportional to 136,655.26, 188,592.71 and 75,401.15 is: 104,058.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,655.26 : 188,592.71 = 75,401.15 : x
  2. Step 2: Convert to fraction form
    136,655.26/188,592.71 = 75,401.15/x
  3. Step 3: Cross multiply
    136,655.26x = 188,592.71 × 75,401.15
  4. Step 4: Simplify right side
    136,655.26x = 14,220,107,215.62
  5. Step 5: Solve for x
    x = 14,220,107,215.62/136,655.26
  6. Step 6: Final answer
    x = 104,058.25

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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.