Home / 144,017.28-198,779.42-87,476.04

Finding the Fourth Proportional to 144,017.28, 198,779.42 and 87,476.04

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Solution

The fourth proportional to 144,017.28, 198,779.42 and 87,476.04 is: 120,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,017.28 : 198,779.42 = 87,476.04 : x
  2. Step 2: Convert to fraction form
    144,017.28/198,779.42 = 87,476.04/x
  3. Step 3: Cross multiply
    144,017.28x = 198,779.42 × 87,476.04
  4. Step 4: Simplify right side
    144,017.28x = 17,388,436,057.72
  5. Step 5: Solve for x
    x = 17,388,436,057.72/144,017.28
  6. Step 6: Final answer
    x = 120,738.54

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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.