Home / 97,975.40-146,963.10-81,645.80

Finding the Fourth Proportional to 97,975.40, 146,963.10 and 81,645.80

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Solution

The fourth proportional to 97,975.40, 146,963.10 and 81,645.80 is: 122,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,975.40 : 146,963.10 = 81,645.80 : x
  2. Step 2: Convert to fraction form
    97,975.40/146,963.10 = 81,645.80/x
  3. Step 3: Cross multiply
    97,975.40x = 146,963.10 × 81,645.80
  4. Step 4: Simplify right side
    97,975.40x = 11,998,919,869.98
  5. Step 5: Solve for x
    x = 11,998,919,869.98/97,975.40
  6. Step 6: Final answer
    x = 122,468.70

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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.