Home / 143,378.40-215,067.60-96,376.80

Finding the Fourth Proportional to 143,378.40, 215,067.60 and 96,376.80

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Solution

The fourth proportional to 143,378.40, 215,067.60 and 96,376.80 is: 144,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,378.40 : 215,067.60 = 96,376.80 : x
  2. Step 2: Convert to fraction form
    143,378.40/215,067.60 = 96,376.80/x
  3. Step 3: Cross multiply
    143,378.40x = 215,067.60 × 96,376.80
  4. Step 4: Simplify right side
    143,378.40x = 20,727,527,071.68
  5. Step 5: Solve for x
    x = 20,727,527,071.68/143,378.40
  6. Step 6: Final answer
    x = 144,565.20

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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.