Home / 84,239.68-116,268.96-57,446.16

Finding the Fourth Proportional to 84,239.68, 116,268.96 and 57,446.16

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Solution

The fourth proportional to 84,239.68, 116,268.96 and 57,446.16 is: 79,288.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,239.68 : 116,268.96 = 57,446.16 : x
  2. Step 2: Convert to fraction form
    84,239.68/116,268.96 = 57,446.16/x
  3. Step 3: Cross multiply
    84,239.68x = 116,268.96 × 57,446.16
  4. Step 4: Simplify right side
    84,239.68x = 6,679,205,279.19
  5. Step 5: Solve for x
    x = 6,679,205,279.19/84,239.68
  6. Step 6: Final answer
    x = 79,288.11

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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.