Home / 89,426.83-123,408.66-51,186.19

Finding the Fourth Proportional to 89,426.83, 123,408.66 and 51,186.19

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Solution

The fourth proportional to 89,426.83, 123,408.66 and 51,186.19 is: 70,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,426.83 : 123,408.66 = 51,186.19 : x
  2. Step 2: Convert to fraction form
    89,426.83/123,408.66 = 51,186.19/x
  3. Step 3: Cross multiply
    89,426.83x = 123,408.66 × 51,186.19
  4. Step 4: Simplify right side
    89,426.83x = 6,316,819,118.41
  5. Step 5: Solve for x
    x = 6,316,819,118.41/89,426.83
  6. Step 6: Final answer
    x = 70,636.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.