Home / 97,320.80-145,981.20-34,997.60

Finding the Fourth Proportional to 97,320.80, 145,981.20 and 34,997.60

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Solution

The fourth proportional to 97,320.80, 145,981.20 and 34,997.60 is: 52,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,320.80 : 145,981.20 = 34,997.60 : x
  2. Step 2: Convert to fraction form
    97,320.80/145,981.20 = 34,997.60/x
  3. Step 3: Cross multiply
    97,320.80x = 145,981.20 × 34,997.60
  4. Step 4: Simplify right side
    97,320.80x = 5,108,991,645.12
  5. Step 5: Solve for x
    x = 5,108,991,645.12/97,320.80
  6. Step 6: Final answer
    x = 52,496.40

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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.