Home / 120,716.86-181,253.04-67,513.07

Finding the Fourth Proportional to 120,716.86, 181,253.04 and 67,513.07

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Solution

The fourth proportional to 120,716.86, 181,253.04 and 67,513.07 is: 101,369.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,716.86 : 181,253.04 = 67,513.07 : x
  2. Step 2: Convert to fraction form
    120,716.86/181,253.04 = 67,513.07/x
  3. Step 3: Cross multiply
    120,716.86x = 181,253.04 × 67,513.07
  4. Step 4: Simplify right side
    120,716.86x = 12,236,949,920.51
  5. Step 5: Solve for x
    x = 12,236,949,920.51/120,716.86
  6. Step 6: Final answer
    x = 101,369.02

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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.