Home / 146,513.75-202,189.08-79,445.75

Finding the Fourth Proportional to 146,513.75, 202,189.08 and 79,445.75

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Solution

The fourth proportional to 146,513.75, 202,189.08 and 79,445.75 is: 109,635.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,513.75 : 202,189.08 = 79,445.75 : x
  2. Step 2: Convert to fraction form
    146,513.75/202,189.08 = 79,445.75/x
  3. Step 3: Cross multiply
    146,513.75x = 202,189.08 × 79,445.75
  4. Step 4: Simplify right side
    146,513.75x = 16,063,063,102.41
  5. Step 5: Solve for x
    x = 16,063,063,102.41/146,513.75
  6. Step 6: Final answer
    x = 109,635.19

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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.