Home / 141,430.76-195,179.46-77,773.48

Finding the Fourth Proportional to 141,430.76, 195,179.46 and 77,773.48

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Solution

The fourth proportional to 141,430.76, 195,179.46 and 77,773.48 is: 107,330.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,430.76 : 195,179.46 = 77,773.48 : x
  2. Step 2: Convert to fraction form
    141,430.76/195,179.46 = 77,773.48/x
  3. Step 3: Cross multiply
    141,430.76x = 195,179.46 × 77,773.48
  4. Step 4: Simplify right side
    141,430.76x = 15,179,785,828.72
  5. Step 5: Solve for x
    x = 15,179,785,828.72/141,430.76
  6. Step 6: Final answer
    x = 107,330.16

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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.