Home / 84,328.09-116,389.00-54,151.54

Finding the Fourth Proportional to 84,328.09, 116,389.00 and 54,151.54

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Solution

The fourth proportional to 84,328.09, 116,389.00 and 54,151.54 is: 74,739.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,328.09 : 116,389.00 = 54,151.54 : x
  2. Step 2: Convert to fraction form
    84,328.09/116,389.00 = 54,151.54/x
  3. Step 3: Cross multiply
    84,328.09x = 116,389.00 × 54,151.54
  4. Step 4: Simplify right side
    84,328.09x = 6,302,643,365.78
  5. Step 5: Solve for x
    x = 6,302,643,365.78/84,328.09
  6. Step 6: Final answer
    x = 74,739.55

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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.