Home / 84,208.14-116,219.88-52,387.20

Finding the Fourth Proportional to 84,208.14, 116,219.88 and 52,387.20

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Solution

The fourth proportional to 84,208.14, 116,219.88 and 52,387.20 is: 72,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,208.14 : 116,219.88 = 52,387.20 : x
  2. Step 2: Convert to fraction form
    84,208.14/116,219.88 = 52,387.20/x
  3. Step 3: Cross multiply
    84,208.14x = 116,219.88 × 52,387.20
  4. Step 4: Simplify right side
    84,208.14x = 6,088,434,097.54
  5. Step 5: Solve for x
    x = 6,088,434,097.54/84,208.14
  6. Step 6: Final answer
    x = 72,302.20

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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.