Home / 91,490.16-126,255.60-51,203.46

Finding the Fourth Proportional to 91,490.16, 126,255.60 and 51,203.46

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Solution

The fourth proportional to 91,490.16, 126,255.60 and 51,203.46 is: 70,660.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,490.16 : 126,255.60 = 51,203.46 : x
  2. Step 2: Convert to fraction form
    91,490.16/126,255.60 = 51,203.46/x
  3. Step 3: Cross multiply
    91,490.16x = 126,255.60 × 51,203.46
  4. Step 4: Simplify right side
    91,490.16x = 6,464,723,564.38
  5. Step 5: Solve for x
    x = 6,464,723,564.38/91,490.16
  6. Step 6: Final answer
    x = 70,660.32

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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.