Home / 91,959.19-126,873.15-51,667.36

Finding the Fourth Proportional to 91,959.19, 126,873.15 and 51,667.36

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Solution

The fourth proportional to 91,959.19, 126,873.15 and 51,667.36 is: 71,283.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,959.19 : 126,873.15 = 51,667.36 : x
  2. Step 2: Convert to fraction form
    91,959.19/126,873.15 = 51,667.36/x
  3. Step 3: Cross multiply
    91,959.19x = 126,873.15 × 51,667.36
  4. Step 4: Simplify right side
    91,959.19x = 6,555,200,715.38
  5. Step 5: Solve for x
    x = 6,555,200,715.38/91,959.19
  6. Step 6: Final answer
    x = 71,283.80

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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.