Home / 129,963.11-194,501.11-108,926.91

Finding the Fourth Proportional to 129,963.11, 194,501.11 and 108,926.91

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Solution

The fourth proportional to 129,963.11, 194,501.11 and 108,926.91 is: 163,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,963.11 : 194,501.11 = 108,926.91 : x
  2. Step 2: Convert to fraction form
    129,963.11/194,501.11 = 108,926.91/x
  3. Step 3: Cross multiply
    129,963.11x = 194,501.11 × 108,926.91
  4. Step 4: Simplify right side
    129,963.11x = 21,186,403,931.36
  5. Step 5: Solve for x
    x = 21,186,403,931.36/129,963.11
  6. Step 6: Final answer
    x = 163,018.60

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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.