Home / 141,203.72-194,862.50-77,542.89

Finding the Fourth Proportional to 141,203.72, 194,862.50 and 77,542.89

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Solution

The fourth proportional to 141,203.72, 194,862.50 and 77,542.89 is: 107,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,203.72 : 194,862.50 = 77,542.89 : x
  2. Step 2: Convert to fraction form
    141,203.72/194,862.50 = 77,542.89/x
  3. Step 3: Cross multiply
    141,203.72x = 194,862.50 × 77,542.89
  4. Step 4: Simplify right side
    141,203.72x = 15,110,201,014.91
  5. Step 5: Solve for x
    x = 15,110,201,014.91/141,203.72
  6. Step 6: Final answer
    x = 107,009.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.