Home / 84,198.88-116,144.04-61,510.15

Finding the Fourth Proportional to 84,198.88, 116,144.04 and 61,510.15

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Solution

The fourth proportional to 84,198.88, 116,144.04 and 61,510.15 is: 84,847.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,198.88 : 116,144.04 = 61,510.15 : x
  2. Step 2: Convert to fraction form
    84,198.88/116,144.04 = 61,510.15/x
  3. Step 3: Cross multiply
    84,198.88x = 116,144.04 × 61,510.15
  4. Step 4: Simplify right side
    84,198.88x = 7,144,037,322.01
  5. Step 5: Solve for x
    x = 7,144,037,322.01/84,198.88
  6. Step 6: Final answer
    x = 84,847.18

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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.