Home / 107,033.96-147,717.78-61,713.56

Finding the Fourth Proportional to 107,033.96, 147,717.78 and 61,713.56

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Solution

The fourth proportional to 107,033.96, 147,717.78 and 61,713.56 is: 85,171.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,033.96 : 147,717.78 = 61,713.56 : x
  2. Step 2: Convert to fraction form
    107,033.96/147,717.78 = 61,713.56/x
  3. Step 3: Cross multiply
    107,033.96x = 147,717.78 × 61,713.56
  4. Step 4: Simplify right side
    107,033.96x = 9,116,190,079.10
  5. Step 5: Solve for x
    x = 9,116,190,079.10/107,033.96
  6. Step 6: Final answer
    x = 85,171.01

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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.