Home / 141,430.05-195,168.42-77,767.29

Finding the Fourth Proportional to 141,430.05, 195,168.42 and 77,767.29

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Solution

The fourth proportional to 141,430.05, 195,168.42 and 77,767.29 is: 107,316.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,430.05 : 195,168.42 = 77,767.29 : x
  2. Step 2: Convert to fraction form
    141,430.05/195,168.42 = 77,767.29/x
  3. Step 3: Cross multiply
    141,430.05x = 195,168.42 × 77,767.29
  4. Step 4: Simplify right side
    141,430.05x = 15,177,719,116.98
  5. Step 5: Solve for x
    x = 15,177,719,116.98/141,430.05
  6. Step 6: Final answer
    x = 107,316.08

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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.