Home / 105,171.68-157,803.60-55,240.22

Finding the Fourth Proportional to 105,171.68, 157,803.60 and 55,240.22

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Solution

The fourth proportional to 105,171.68, 157,803.60 and 55,240.22 is: 82,884.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,171.68 : 157,803.60 = 55,240.22 : x
  2. Step 2: Convert to fraction form
    105,171.68/157,803.60 = 55,240.22/x
  3. Step 3: Cross multiply
    105,171.68x = 157,803.60 × 55,240.22
  4. Step 4: Simplify right side
    105,171.68x = 8,717,105,580.79
  5. Step 5: Solve for x
    x = 8,717,105,580.79/105,171.68
  6. Step 6: Final answer
    x = 82,884.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.