Home / 89,130.12-123,002.96-50,895.90

Finding the Fourth Proportional to 89,130.12, 123,002.96 and 50,895.90

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Solution

The fourth proportional to 89,130.12, 123,002.96 and 50,895.90 is: 70,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,130.12 : 123,002.96 = 50,895.90 : x
  2. Step 2: Convert to fraction form
    89,130.12/123,002.96 = 50,895.90/x
  3. Step 3: Cross multiply
    89,130.12x = 123,002.96 × 50,895.90
  4. Step 4: Simplify right side
    89,130.12x = 6,260,346,351.86
  5. Step 5: Solve for x
    x = 6,260,346,351.86/89,130.12
  6. Step 6: Final answer
    x = 70,238.28

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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.