Home / 97,401.40-146,102.10-80,998.90

Finding the Fourth Proportional to 97,401.40, 146,102.10 and 80,998.90

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Solution

The fourth proportional to 97,401.40, 146,102.10 and 80,998.90 is: 121,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,401.40 : 146,102.10 = 80,998.90 : x
  2. Step 2: Convert to fraction form
    97,401.40/146,102.10 = 80,998.90/x
  3. Step 3: Cross multiply
    97,401.40x = 146,102.10 × 80,998.90
  4. Step 4: Simplify right side
    97,401.40x = 11,834,109,387.69
  5. Step 5: Solve for x
    x = 11,834,109,387.69/97,401.40
  6. Step 6: Final answer
    x = 121,498.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.