Home / 84,147.30-116,123.37-48,344.31

Finding the Fourth Proportional to 84,147.30, 116,123.37 and 48,344.31

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Solution

The fourth proportional to 84,147.30, 116,123.37 and 48,344.31 is: 66,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,147.30 : 116,123.37 = 48,344.31 : x
  2. Step 2: Convert to fraction form
    84,147.30/116,123.37 = 48,344.31/x
  3. Step 3: Cross multiply
    84,147.30x = 116,123.37 × 48,344.31
  4. Step 4: Simplify right side
    84,147.30x = 5,613,904,197.52
  5. Step 5: Solve for x
    x = 5,613,904,197.52/84,147.30
  6. Step 6: Final answer
    x = 66,715.20

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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.