Home / 136,401.67-188,240.12-75,972.30

Finding the Fourth Proportional to 136,401.67, 188,240.12 and 75,972.30

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Solution

The fourth proportional to 136,401.67, 188,240.12 and 75,972.30 is: 104,845.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,401.67 : 188,240.12 = 75,972.30 : x
  2. Step 2: Convert to fraction form
    136,401.67/188,240.12 = 75,972.30/x
  3. Step 3: Cross multiply
    136,401.67x = 188,240.12 × 75,972.30
  4. Step 4: Simplify right side
    136,401.67x = 14,301,034,868.68
  5. Step 5: Solve for x
    x = 14,301,034,868.68/136,401.67
  6. Step 6: Final answer
    x = 104,845.01

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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.