Home / 91,552.80-126,355.67-66,141.38

Finding the Fourth Proportional to 91,552.80, 126,355.67 and 66,141.38

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Solution

The fourth proportional to 91,552.80, 126,355.67 and 66,141.38 is: 91,284.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,552.80 : 126,355.67 = 66,141.38 : x
  2. Step 2: Convert to fraction form
    91,552.80/126,355.67 = 66,141.38/x
  3. Step 3: Cross multiply
    91,552.80x = 126,355.67 × 66,141.38
  4. Step 4: Simplify right side
    91,552.80x = 8,357,338,617.84
  5. Step 5: Solve for x
    x = 8,357,338,617.84/91,552.80
  6. Step 6: Final answer
    x = 91,284.35

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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.