Home / 91,500.34-126,269.23-51,214.09

Finding the Fourth Proportional to 91,500.34, 126,269.23 and 51,214.09

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Solution

The fourth proportional to 91,500.34, 126,269.23 and 51,214.09 is: 70,674.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,500.34 : 126,269.23 = 51,214.09 : x
  2. Step 2: Convert to fraction form
    91,500.34/126,269.23 = 51,214.09/x
  3. Step 3: Cross multiply
    91,500.34x = 126,269.23 × 51,214.09
  4. Step 4: Simplify right side
    91,500.34x = 6,466,763,598.52
  5. Step 5: Solve for x
    x = 6,466,763,598.52/91,500.34
  6. Step 6: Final answer
    x = 70,674.75

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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.