Home / 141,272.96-194,957.01-77,610.20

Finding the Fourth Proportional to 141,272.96, 194,957.01 and 77,610.20

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Solution

The fourth proportional to 141,272.96, 194,957.01 and 77,610.20 is: 107,102.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,272.96 : 194,957.01 = 77,610.20 : x
  2. Step 2: Convert to fraction form
    141,272.96/194,957.01 = 77,610.20/x
  3. Step 3: Cross multiply
    141,272.96x = 194,957.01 × 77,610.20
  4. Step 4: Simplify right side
    141,272.96x = 15,130,651,562.72
  5. Step 5: Solve for x
    x = 15,130,651,562.72/141,272.96
  6. Step 6: Final answer
    x = 107,102.25

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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.