Home / 141,565.19-195,361.34-77,904.45

Finding the Fourth Proportional to 141,565.19, 195,361.34 and 77,904.45

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Solution

The fourth proportional to 141,565.19, 195,361.34 and 77,904.45 is: 107,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,565.19 : 195,361.34 = 77,904.45 : x
  2. Step 2: Convert to fraction form
    141,565.19/195,361.34 = 77,904.45/x
  3. Step 3: Cross multiply
    141,565.19x = 195,361.34 × 77,904.45
  4. Step 4: Simplify right side
    141,565.19x = 15,219,517,354.44
  5. Step 5: Solve for x
    x = 15,219,517,354.44/141,565.19
  6. Step 6: Final answer
    x = 107,508.90

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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.