Home / 96,919.12-145,395.06-30,346.12

Finding the Fourth Proportional to 96,919.12, 145,395.06 and 30,346.12

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Solution

The fourth proportional to 96,919.12, 145,395.06 and 30,346.12 is: 45,524.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,919.12 : 145,395.06 = 30,346.12 : x
  2. Step 2: Convert to fraction form
    96,919.12/145,395.06 = 30,346.12/x
  3. Step 3: Cross multiply
    96,919.12x = 145,395.06 × 30,346.12
  4. Step 4: Simplify right side
    96,919.12x = 4,412,175,938.17
  5. Step 5: Solve for x
    x = 4,412,175,938.17/96,919.12
  6. Step 6: Final answer
    x = 45,524.31

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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.