Home / 91,398.94-126,133.96-51,112.62

Finding the Fourth Proportional to 91,398.94, 126,133.96 and 51,112.62

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Solution

The fourth proportional to 91,398.94, 126,133.96 and 51,112.62 is: 70,537.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,398.94 : 126,133.96 = 51,112.62 : x
  2. Step 2: Convert to fraction form
    91,398.94/126,133.96 = 51,112.62/x
  3. Step 3: Cross multiply
    91,398.94x = 126,133.96 × 51,112.62
  4. Step 4: Simplify right side
    91,398.94x = 6,447,037,166.58
  5. Step 5: Solve for x
    x = 6,447,037,166.58/91,398.94
  6. Step 6: Final answer
    x = 70,537.33

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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.