Home / 88,136.93-121,161.24-75,827.41

Finding the Fourth Proportional to 88,136.93, 121,161.24 and 75,827.41

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Solution

The fourth proportional to 88,136.93, 121,161.24 and 75,827.41 is: 104,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,136.93 : 121,161.24 = 75,827.41 : x
  2. Step 2: Convert to fraction form
    88,136.93/121,161.24 = 75,827.41/x
  3. Step 3: Cross multiply
    88,136.93x = 121,161.24 × 75,827.41
  4. Step 4: Simplify right side
    88,136.93x = 9,187,342,718.69
  5. Step 5: Solve for x
    x = 9,187,342,718.69/88,136.93
  6. Step 6: Final answer
    x = 104,239.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.