Home / 91,148.17-125,784.24-50,861.50

Finding the Fourth Proportional to 91,148.17, 125,784.24 and 50,861.50

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Solution

The fourth proportional to 91,148.17, 125,784.24 and 50,861.50 is: 70,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,148.17 : 125,784.24 = 50,861.50 : x
  2. Step 2: Convert to fraction form
    91,148.17/125,784.24 = 50,861.50/x
  3. Step 3: Cross multiply
    91,148.17x = 125,784.24 × 50,861.50
  4. Step 4: Simplify right side
    91,148.17x = 6,397,575,122.76
  5. Step 5: Solve for x
    x = 6,397,575,122.76/91,148.17
  6. Step 6: Final answer
    x = 70,188.74

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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.