Home / 91,502.39-126,267.42-51,209.34

Finding the Fourth Proportional to 91,502.39, 126,267.42 and 51,209.34

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Solution

The fourth proportional to 91,502.39, 126,267.42 and 51,209.34 is: 70,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,502.39 : 126,267.42 = 51,209.34 : x
  2. Step 2: Convert to fraction form
    91,502.39/126,267.42 = 51,209.34/x
  3. Step 3: Cross multiply
    91,502.39x = 126,267.42 × 51,209.34
  4. Step 4: Simplify right side
    91,502.39x = 6,466,071,241.70
  5. Step 5: Solve for x
    x = 6,466,071,241.70/91,502.39
  6. Step 6: Final answer
    x = 70,665.60

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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.