Home / 129,417.32-194,127.06-35,930.36

Finding the Fourth Proportional to 129,417.32, 194,127.06 and 35,930.36

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Solution

The fourth proportional to 129,417.32, 194,127.06 and 35,930.36 is: 53,895.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,417.32 : 194,127.06 = 35,930.36 : x
  2. Step 2: Convert to fraction form
    129,417.32/194,127.06 = 35,930.36/x
  3. Step 3: Cross multiply
    129,417.32x = 194,127.06 × 35,930.36
  4. Step 4: Simplify right side
    129,417.32x = 6,975,055,151.54
  5. Step 5: Solve for x
    x = 6,975,055,151.54/129,417.32
  6. Step 6: Final answer
    x = 53,895.84

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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.