Home / 141,738.31-195,600.18-78,076.36

Finding the Fourth Proportional to 141,738.31, 195,600.18 and 78,076.36

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Solution

The fourth proportional to 141,738.31, 195,600.18 and 78,076.36 is: 107,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,738.31 : 195,600.18 = 78,076.36 : x
  2. Step 2: Convert to fraction form
    141,738.31/195,600.18 = 78,076.36/x
  3. Step 3: Cross multiply
    141,738.31x = 195,600.18 × 78,076.36
  4. Step 4: Simplify right side
    141,738.31x = 15,271,750,069.74
  5. Step 5: Solve for x
    x = 15,271,750,069.74/141,738.31
  6. Step 6: Final answer
    x = 107,746.10

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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.