Home / 102,284.28-141,151.86-56,962.80

Finding the Fourth Proportional to 102,284.28, 141,151.86 and 56,962.80

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Solution

The fourth proportional to 102,284.28, 141,151.86 and 56,962.80 is: 78,608.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,284.28 : 141,151.86 = 56,962.80 : x
  2. Step 2: Convert to fraction form
    102,284.28/141,151.86 = 56,962.80/x
  3. Step 3: Cross multiply
    102,284.28x = 141,151.86 × 56,962.80
  4. Step 4: Simplify right side
    102,284.28x = 8,040,405,170.81
  5. Step 5: Solve for x
    x = 8,040,405,170.81/102,284.28
  6. Step 6: Final answer
    x = 78,608.42

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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.