Home / 141,360.56-195,079.06-76,829.78

Finding the Fourth Proportional to 141,360.56, 195,079.06 and 76,829.78

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Solution

The fourth proportional to 141,360.56, 195,079.06 and 76,829.78 is: 106,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,360.56 : 195,079.06 = 76,829.78 : x
  2. Step 2: Convert to fraction form
    141,360.56/195,079.06 = 76,829.78/x
  3. Step 3: Cross multiply
    141,360.56x = 195,079.06 × 76,829.78
  4. Step 4: Simplify right side
    141,360.56x = 14,987,881,262.41
  5. Step 5: Solve for x
    x = 14,987,881,262.41/141,360.56
  6. Step 6: Final answer
    x = 106,025.90

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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.