Home / 141,388.83-195,120.32-76,862.41

Finding the Fourth Proportional to 141,388.83, 195,120.32 and 76,862.41

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Solution

The fourth proportional to 141,388.83, 195,120.32 and 76,862.41 is: 106,072.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,388.83 : 195,120.32 = 76,862.41 : x
  2. Step 2: Convert to fraction form
    141,388.83/195,120.32 = 76,862.41/x
  3. Step 3: Cross multiply
    141,388.83x = 195,120.32 × 76,862.41
  4. Step 4: Simplify right side
    141,388.83x = 14,997,418,035.17
  5. Step 5: Solve for x
    x = 14,997,418,035.17/141,388.83
  6. Step 6: Final answer
    x = 106,072.16

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1.5x scale

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.