Home / 91,151.93-125,789.69-50,316.08

Finding the Fourth Proportional to 91,151.93, 125,789.69 and 50,316.08

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Solution

The fourth proportional to 91,151.93, 125,789.69 and 50,316.08 is: 69,436.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,151.93 : 125,789.69 = 50,316.08 : x
  2. Step 2: Convert to fraction form
    91,151.93/125,789.69 = 50,316.08/x
  3. Step 3: Cross multiply
    91,151.93x = 125,789.69 × 50,316.08
  4. Step 4: Simplify right side
    91,151.93x = 6,329,244,141.58
  5. Step 5: Solve for x
    x = 6,329,244,141.58/91,151.93
  6. Step 6: Final answer
    x = 69,436.21

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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.