Home / 144,575.28-199,510.70-80,040.76

Finding the Fourth Proportional to 144,575.28, 199,510.70 and 80,040.76

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Solution

The fourth proportional to 144,575.28, 199,510.70 and 80,040.76 is: 110,454.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,575.28 : 199,510.70 = 80,040.76 : x
  2. Step 2: Convert to fraction form
    144,575.28/199,510.70 = 80,040.76/x
  3. Step 3: Cross multiply
    144,575.28x = 199,510.70 × 80,040.76
  4. Step 4: Simplify right side
    144,575.28x = 15,968,987,157.15
  5. Step 5: Solve for x
    x = 15,968,987,157.15/144,575.28
  6. Step 6: Final answer
    x = 110,454.48

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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.