Home / 170,865.70-256,298.55-82,097.80

Finding the Fourth Proportional to 170,865.70, 256,298.55 and 82,097.80

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Solution

The fourth proportional to 170,865.70, 256,298.55 and 82,097.80 is: 123,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,865.70 : 256,298.55 = 82,097.80 : x
  2. Step 2: Convert to fraction form
    170,865.70/256,298.55 = 82,097.80/x
  3. Step 3: Cross multiply
    170,865.70x = 256,298.55 × 82,097.80
  4. Step 4: Simplify right side
    170,865.70x = 21,041,547,098.19
  5. Step 5: Solve for x
    x = 21,041,547,098.19/170,865.70
  6. Step 6: Final answer
    x = 123,146.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.