Home / 91,190.98-125,821.38-53,457.94

Finding the Fourth Proportional to 91,190.98, 125,821.38 and 53,457.94

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Solution

The fourth proportional to 91,190.98, 125,821.38 and 53,457.94 is: 73,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,190.98 : 125,821.38 = 53,457.94 : x
  2. Step 2: Convert to fraction form
    91,190.98/125,821.38 = 53,457.94/x
  3. Step 3: Cross multiply
    91,190.98x = 125,821.38 × 53,457.94
  4. Step 4: Simplify right side
    91,190.98x = 6,726,151,601.85
  5. Step 5: Solve for x
    x = 6,726,151,601.85/91,190.98
  6. Step 6: Final answer
    x = 73,758.96

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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.