Home / 96,920.12-145,396.56-30,347.12

Finding the Fourth Proportional to 96,920.12, 145,396.56 and 30,347.12

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Solution

The fourth proportional to 96,920.12, 145,396.56 and 30,347.12 is: 45,525.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,920.12 : 145,396.56 = 30,347.12 : x
  2. Step 2: Convert to fraction form
    96,920.12/145,396.56 = 30,347.12/x
  3. Step 3: Cross multiply
    96,920.12x = 145,396.56 × 30,347.12
  4. Step 4: Simplify right side
    96,920.12x = 4,412,366,853.91
  5. Step 5: Solve for x
    x = 4,412,366,853.91/96,920.12
  6. Step 6: Final answer
    x = 45,525.81

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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.