Home / 91,596.28-137,401.10-28,408.38

Finding the Fourth Proportional to 91,596.28, 137,401.10 and 28,408.38

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Solution

The fourth proportional to 91,596.28, 137,401.10 and 28,408.38 is: 42,614.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,596.28 : 137,401.10 = 28,408.38 : x
  2. Step 2: Convert to fraction form
    91,596.28/137,401.10 = 28,408.38/x
  3. Step 3: Cross multiply
    91,596.28x = 137,401.10 × 28,408.38
  4. Step 4: Simplify right side
    91,596.28x = 3,903,342,661.22
  5. Step 5: Solve for x
    x = 3,903,342,661.22/91,596.28
  6. Step 6: Final answer
    x = 42,614.64

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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.