Home / 115,965.30-173,429.55-97,302.90

Finding the Fourth Proportional to 115,965.30, 173,429.55 and 97,302.90

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Solution

The fourth proportional to 115,965.30, 173,429.55 and 97,302.90 is: 145,519.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,965.30 : 173,429.55 = 97,302.90 : x
  2. Step 2: Convert to fraction form
    115,965.30/173,429.55 = 97,302.90/x
  3. Step 3: Cross multiply
    115,965.30x = 173,429.55 × 97,302.90
  4. Step 4: Simplify right side
    115,965.30x = 16,875,198,160.70
  5. Step 5: Solve for x
    x = 16,875,198,160.70/115,965.30
  6. Step 6: Final answer
    x = 145,519.38

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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.