Home / 91,191.89-125,846.80-50,355.91

Finding the Fourth Proportional to 91,191.89, 125,846.80 and 50,355.91

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Solution

The fourth proportional to 91,191.89, 125,846.80 and 50,355.91 is: 69,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,191.89 : 125,846.80 = 50,355.91 : x
  2. Step 2: Convert to fraction form
    91,191.89/125,846.80 = 50,355.91/x
  3. Step 3: Cross multiply
    91,191.89x = 125,846.80 × 50,355.91
  4. Step 4: Simplify right side
    91,191.89x = 6,337,129,694.08
  5. Step 5: Solve for x
    x = 6,337,129,694.08/91,191.89
  6. Step 6: Final answer
    x = 69,492.25

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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.