Home / 143,946.51-215,919.76-73,781.07

Finding the Fourth Proportional to 143,946.51, 215,919.76 and 73,781.07

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Solution

The fourth proportional to 143,946.51, 215,919.76 and 73,781.07 is: 110,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,946.51 : 215,919.76 = 73,781.07 : x
  2. Step 2: Convert to fraction form
    143,946.51/215,919.76 = 73,781.07/x
  3. Step 3: Cross multiply
    143,946.51x = 215,919.76 × 73,781.07
  4. Step 4: Simplify right side
    143,946.51x = 15,930,790,926.94
  5. Step 5: Solve for x
    x = 15,930,790,926.94/143,946.51
  6. Step 6: Final answer
    x = 110,671.60

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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.