Home / 170,915.49-256,323.83-65,709.45

Finding the Fourth Proportional to 170,915.49, 256,323.83 and 65,709.45

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Solution

The fourth proportional to 170,915.49, 256,323.83 and 65,709.45 is: 98,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,915.49 : 256,323.83 = 65,709.45 : x
  2. Step 2: Convert to fraction form
    170,915.49/256,323.83 = 65,709.45/x
  3. Step 3: Cross multiply
    170,915.49x = 256,323.83 × 65,709.45
  4. Step 4: Simplify right side
    170,915.49x = 16,842,897,562.65
  5. Step 5: Solve for x
    x = 16,842,897,562.65/170,915.49
  6. Step 6: Final answer
    x = 98,545.18

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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.