Home / 141,487.12-195,265.12-81,077.32

Finding the Fourth Proportional to 141,487.12, 195,265.12 and 81,077.32

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Solution

The fourth proportional to 141,487.12, 195,265.12 and 81,077.32 is: 111,894.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,487.12 : 195,265.12 = 81,077.32 : x
  2. Step 2: Convert to fraction form
    141,487.12/195,265.12 = 81,077.32/x
  3. Step 3: Cross multiply
    141,487.12x = 195,265.12 × 81,077.32
  4. Step 4: Simplify right side
    141,487.12x = 15,831,572,619.08
  5. Step 5: Solve for x
    x = 15,831,572,619.08/141,487.12
  6. Step 6: Final answer
    x = 111,894.09

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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.