Home / 91,477.16-126,220.35-51,183.10

Finding the Fourth Proportional to 91,477.16, 126,220.35 and 51,183.10

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Solution

The fourth proportional to 91,477.16, 126,220.35 and 51,183.10 is: 70,622.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,477.16 : 126,220.35 = 51,183.10 : x
  2. Step 2: Convert to fraction form
    91,477.16/126,220.35 = 51,183.10/x
  3. Step 3: Cross multiply
    91,477.16x = 126,220.35 × 51,183.10
  4. Step 4: Simplify right side
    91,477.16x = 6,460,348,796.09
  5. Step 5: Solve for x
    x = 6,460,348,796.09/91,477.16
  6. Step 6: Final answer
    x = 70,622.53

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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.