Home / 91,988.68-137,997.34-29,665.48

Finding the Fourth Proportional to 91,988.68, 137,997.34 and 29,665.48

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Solution

The fourth proportional to 91,988.68, 137,997.34 and 29,665.48 is: 44,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,988.68 : 137,997.34 = 29,665.48 : x
  2. Step 2: Convert to fraction form
    91,988.68/137,997.34 = 29,665.48/x
  3. Step 3: Cross multiply
    91,988.68x = 137,997.34 × 29,665.48
  4. Step 4: Simplify right side
    91,988.68x = 4,093,757,329.82
  5. Step 5: Solve for x
    x = 4,093,757,329.82/91,988.68
  6. Step 6: Final answer
    x = 44,502.84

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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.