Home / 145,330.92-200,559.03-79,922.52

Finding the Fourth Proportional to 145,330.92, 200,559.03 and 79,922.52

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Solution

The fourth proportional to 145,330.92, 200,559.03 and 79,922.52 is: 110,294.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,330.92 : 200,559.03 = 79,922.52 : x
  2. Step 2: Convert to fraction form
    145,330.92/200,559.03 = 79,922.52/x
  3. Step 3: Cross multiply
    145,330.92x = 200,559.03 × 79,922.52
  4. Step 4: Simplify right side
    145,330.92x = 16,029,183,086.36
  5. Step 5: Solve for x
    x = 16,029,183,086.36/145,330.92
  6. Step 6: Final answer
    x = 110,294.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.