Home / 141,531.60-195,313.96-77,873.36

Finding the Fourth Proportional to 141,531.60, 195,313.96 and 77,873.36

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Solution

The fourth proportional to 141,531.60, 195,313.96 and 77,873.36 is: 107,465.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,531.60 : 195,313.96 = 77,873.36 : x
  2. Step 2: Convert to fraction form
    141,531.60/195,313.96 = 77,873.36/x
  3. Step 3: Cross multiply
    141,531.60x = 195,313.96 × 77,873.36
  4. Step 4: Simplify right side
    141,531.60x = 15,209,754,320.11
  5. Step 5: Solve for x
    x = 15,209,754,320.11/141,531.60
  6. Step 6: Final answer
    x = 107,465.43

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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.