Home / 141,188.71-195,014.12-105,537.87

Finding the Fourth Proportional to 141,188.71, 195,014.12 and 105,537.87

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Solution

The fourth proportional to 141,188.71, 195,014.12 and 105,537.87 is: 145,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,188.71 : 195,014.12 = 105,537.87 : x
  2. Step 2: Convert to fraction form
    141,188.71/195,014.12 = 105,537.87/x
  3. Step 3: Cross multiply
    141,188.71x = 195,014.12 × 105,537.87
  4. Step 4: Simplify right side
    141,188.71x = 20,581,374,844.72
  5. Step 5: Solve for x
    x = 20,581,374,844.72/141,188.71
  6. Step 6: Final answer
    x = 145,772.10

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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.