Home / 112,634.84-169,170.96-82,935.40

Finding the Fourth Proportional to 112,634.84, 169,170.96 and 82,935.40

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Solution

The fourth proportional to 112,634.84, 169,170.96 and 82,935.40 is: 124,564.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,634.84 : 169,170.96 = 82,935.40 : x
  2. Step 2: Convert to fraction form
    112,634.84/169,170.96 = 82,935.40/x
  3. Step 3: Cross multiply
    112,634.84x = 169,170.96 × 82,935.40
  4. Step 4: Simplify right side
    112,634.84x = 14,030,261,235.98
  5. Step 5: Solve for x
    x = 14,030,261,235.98/112,634.84
  6. Step 6: Final answer
    x = 124,564.13

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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.