Home / 103,049.93-142,217.66-57,727.32

Finding the Fourth Proportional to 103,049.93, 142,217.66 and 57,727.32

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Solution

The fourth proportional to 103,049.93, 142,217.66 and 57,727.32 is: 79,668.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,049.93 : 142,217.66 = 57,727.32 : x
  2. Step 2: Convert to fraction form
    103,049.93/142,217.66 = 57,727.32/x
  3. Step 3: Cross multiply
    103,049.93x = 142,217.66 × 57,727.32
  4. Step 4: Simplify right side
    103,049.93x = 8,209,844,368.47
  5. Step 5: Solve for x
    x = 8,209,844,368.47/103,049.93
  6. Step 6: Final answer
    x = 79,668.61

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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.