Home / 141,474.60-195,233.40-77,813.28

Finding the Fourth Proportional to 141,474.60, 195,233.40 and 77,813.28

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Solution

The fourth proportional to 141,474.60, 195,233.40 and 77,813.28 is: 107,381.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,474.60 : 195,233.40 = 77,813.28 : x
  2. Step 2: Convert to fraction form
    141,474.60/195,233.40 = 77,813.28/x
  3. Step 3: Cross multiply
    141,474.60x = 195,233.40 × 77,813.28
  4. Step 4: Simplify right side
    141,474.60x = 15,191,751,219.55
  5. Step 5: Solve for x
    x = 15,191,751,219.55/141,474.60
  6. Step 6: Final answer
    x = 107,381.47

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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.