Home / 141,615.36-195,430.08-77,951.52

Finding the Fourth Proportional to 141,615.36, 195,430.08 and 77,951.52

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Solution

The fourth proportional to 141,615.36, 195,430.08 and 77,951.52 is: 107,573.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,615.36 : 195,430.08 = 77,951.52 : x
  2. Step 2: Convert to fraction form
    141,615.36/195,430.08 = 77,951.52/x
  3. Step 3: Cross multiply
    141,615.36x = 195,430.08 × 77,951.52
  4. Step 4: Simplify right side
    141,615.36x = 15,234,071,789.72
  5. Step 5: Solve for x
    x = 15,234,071,789.72/141,615.36
  6. Step 6: Final answer
    x = 107,573.58

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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.