Home / 134,681.91-202,021.53-51,575.91

Finding the Fourth Proportional to 134,681.91, 202,021.53 and 51,575.91

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Solution

The fourth proportional to 134,681.91, 202,021.53 and 51,575.91 is: 77,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,681.91 : 202,021.53 = 51,575.91 : x
  2. Step 2: Convert to fraction form
    134,681.91/202,021.53 = 51,575.91/x
  3. Step 3: Cross multiply
    134,681.91x = 202,021.53 × 51,575.91
  4. Step 4: Simplify right side
    134,681.91x = 10,419,444,249.34
  5. Step 5: Solve for x
    x = 10,419,444,249.34/134,681.91
  6. Step 6: Final answer
    x = 77,363.35

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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.