Home / 91,188.72-125,846.80-50,910.40

Finding the Fourth Proportional to 91,188.72, 125,846.80 and 50,910.40

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Solution

The fourth proportional to 91,188.72, 125,846.80 and 50,910.40 is: 70,259.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,188.72 : 125,846.80 = 50,910.40 : x
  2. Step 2: Convert to fraction form
    91,188.72/125,846.80 = 50,910.40/x
  3. Step 3: Cross multiply
    91,188.72x = 125,846.80 × 50,910.40
  4. Step 4: Simplify right side
    91,188.72x = 6,406,910,926.72
  5. Step 5: Solve for x
    x = 6,406,910,926.72/91,188.72
  6. Step 6: Final answer
    x = 70,259.91

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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.