Home / 84,155.34-116,139.38-48,344.44

Finding the Fourth Proportional to 84,155.34, 116,139.38 and 48,344.44

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Solution

The fourth proportional to 84,155.34, 116,139.38 and 48,344.44 is: 66,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,155.34 : 116,139.38 = 48,344.44 : x
  2. Step 2: Convert to fraction form
    84,155.34/116,139.38 = 48,344.44/x
  3. Step 3: Cross multiply
    84,155.34x = 116,139.38 × 48,344.44
  4. Step 4: Simplify right side
    84,155.34x = 5,614,693,288.05
  5. Step 5: Solve for x
    x = 5,614,693,288.05/84,155.34
  6. Step 6: Final answer
    x = 66,718.21

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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.