Home / 91,500.04-126,270.68-51,217.53

Finding the Fourth Proportional to 91,500.04, 126,270.68 and 51,217.53

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Solution

The fourth proportional to 91,500.04, 126,270.68 and 51,217.53 is: 70,680.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,500.04 : 126,270.68 = 51,217.53 : x
  2. Step 2: Convert to fraction form
    91,500.04/126,270.68 = 51,217.53/x
  3. Step 3: Cross multiply
    91,500.04x = 126,270.68 × 51,217.53
  4. Step 4: Simplify right side
    91,500.04x = 6,467,272,341.02
  5. Step 5: Solve for x
    x = 6,467,272,341.02/91,500.04
  6. Step 6: Final answer
    x = 70,680.54

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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.