Home / 129,688.21-194,515.91-34,925.96

Finding the Fourth Proportional to 129,688.21, 194,515.91 and 34,925.96

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Solution

The fourth proportional to 129,688.21, 194,515.91 and 34,925.96 is: 52,384.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,688.21 : 194,515.91 = 34,925.96 : x
  2. Step 2: Convert to fraction form
    129,688.21/194,515.91 = 34,925.96/x
  3. Step 3: Cross multiply
    129,688.21x = 194,515.91 × 34,925.96
  4. Step 4: Simplify right side
    129,688.21x = 6,793,654,717.39
  5. Step 5: Solve for x
    x = 6,793,654,717.39/129,688.21
  6. Step 6: Final answer
    x = 52,384.52

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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.