Home / 129,118.73-193,686.57-34,347.51

Finding the Fourth Proportional to 129,118.73, 193,686.57 and 34,347.51

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Solution

The fourth proportional to 129,118.73, 193,686.57 and 34,347.51 is: 51,523.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,118.73 : 193,686.57 = 34,347.51 : x
  2. Step 2: Convert to fraction form
    129,118.73/193,686.57 = 34,347.51/x
  3. Step 3: Cross multiply
    129,118.73x = 193,686.57 × 34,347.51
  4. Step 4: Simplify right side
    129,118.73x = 6,652,651,399.94
  5. Step 5: Solve for x
    x = 6,652,651,399.94/129,118.73
  6. Step 6: Final answer
    x = 51,523.52

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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.