Home / 147,975.80-204,200.62-84,308.20

Finding the Fourth Proportional to 147,975.80, 204,200.62 and 84,308.20

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Solution

The fourth proportional to 147,975.80, 204,200.62 and 84,308.20 is: 116,341.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,975.80 : 204,200.62 = 84,308.20 : x
  2. Step 2: Convert to fraction form
    147,975.80/204,200.62 = 84,308.20/x
  3. Step 3: Cross multiply
    147,975.80x = 204,200.62 × 84,308.20
  4. Step 4: Simplify right side
    147,975.80x = 17,215,786,711.08
  5. Step 5: Solve for x
    x = 17,215,786,711.08/147,975.80
  6. Step 6: Final answer
    x = 116,341.91

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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.