Home / 129,316.16-194,002.16-39,365.91

Finding the Fourth Proportional to 129,316.16, 194,002.16 and 39,365.91

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Solution

The fourth proportional to 129,316.16, 194,002.16 and 39,365.91 is: 59,057.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,316.16 : 194,002.16 = 39,365.91 : x
  2. Step 2: Convert to fraction form
    129,316.16/194,002.16 = 39,365.91/x
  3. Step 3: Cross multiply
    129,316.16x = 194,002.16 × 39,365.91
  4. Step 4: Simplify right side
    129,316.16x = 7,637,071,668.78
  5. Step 5: Solve for x
    x = 7,637,071,668.78/129,316.16
  6. Step 6: Final answer
    x = 59,057.36

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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.