Home / 129,925.68-194,894.28-36,429.36

Finding the Fourth Proportional to 129,925.68, 194,894.28 and 36,429.36

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Solution

The fourth proportional to 129,925.68, 194,894.28 and 36,429.36 is: 54,645.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,925.68 : 194,894.28 = 36,429.36 : x
  2. Step 2: Convert to fraction form
    129,925.68/194,894.28 = 36,429.36/x
  3. Step 3: Cross multiply
    129,925.68x = 194,894.28 × 36,429.36
  4. Step 4: Simplify right side
    129,925.68x = 7,099,873,888.06
  5. Step 5: Solve for x
    x = 7,099,873,888.06/129,925.68
  6. Step 6: Final answer
    x = 54,645.66

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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.