Home / 84,218.45-116,259.45-55,555.16

Finding the Fourth Proportional to 84,218.45, 116,259.45 and 55,555.16

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Solution

The fourth proportional to 84,218.45, 116,259.45 and 55,555.16 is: 76,691.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,218.45 : 116,259.45 = 55,555.16 : x
  2. Step 2: Convert to fraction form
    84,218.45/116,259.45 = 55,555.16/x
  3. Step 3: Cross multiply
    84,218.45x = 116,259.45 × 55,555.16
  4. Step 4: Simplify right side
    84,218.45x = 6,458,812,346.26
  5. Step 5: Solve for x
    x = 6,458,812,346.26/84,218.45
  6. Step 6: Final answer
    x = 76,691.18

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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.