Home / 112,839.84-169,238.43-56,664.90

Finding the Fourth Proportional to 112,839.84, 169,238.43 and 56,664.90

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Solution

The fourth proportional to 112,839.84, 169,238.43 and 56,664.90 is: 84,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,839.84 : 169,238.43 = 56,664.90 : x
  2. Step 2: Convert to fraction form
    112,839.84/169,238.43 = 56,664.90/x
  3. Step 3: Cross multiply
    112,839.84x = 169,238.43 × 56,664.90
  4. Step 4: Simplify right side
    112,839.84x = 9,589,878,712.11
  5. Step 5: Solve for x
    x = 9,589,878,712.11/112,839.84
  6. Step 6: Final answer
    x = 84,986.64

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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.