Home / 129,421.28-194,145.30-35,927.06

Finding the Fourth Proportional to 129,421.28, 194,145.30 and 35,927.06

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Solution

The fourth proportional to 129,421.28, 194,145.30 and 35,927.06 is: 53,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,421.28 : 194,145.30 = 35,927.06 : x
  2. Step 2: Convert to fraction form
    129,421.28/194,145.30 = 35,927.06/x
  3. Step 3: Cross multiply
    129,421.28x = 194,145.30 × 35,927.06
  4. Step 4: Simplify right side
    129,421.28x = 6,975,069,841.82
  5. Step 5: Solve for x
    x = 6,975,069,841.82/129,421.28
  6. Step 6: Final answer
    x = 53,894.30

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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.