Home / 91,500.96-126,271.28-51,214.71

Finding the Fourth Proportional to 91,500.96, 126,271.28 and 51,214.71

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Solution

The fourth proportional to 91,500.96, 126,271.28 and 51,214.71 is: 70,676.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,500.96 : 126,271.28 = 51,214.71 : x
  2. Step 2: Convert to fraction form
    91,500.96/126,271.28 = 51,214.71/x
  3. Step 3: Cross multiply
    91,500.96x = 126,271.28 × 51,214.71
  4. Step 4: Simplify right side
    91,500.96x = 6,466,946,986.53
  5. Step 5: Solve for x
    x = 6,466,946,986.53/91,500.96
  6. Step 6: Final answer
    x = 70,676.27

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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.