Home / 190,484.55-285,476.10-106,284.35

Finding the Fourth Proportional to 190,484.55, 285,476.10 and 106,284.35

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Solution

The fourth proportional to 190,484.55, 285,476.10 and 106,284.35 is: 159,286.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,484.55 : 285,476.10 = 106,284.35 : x
  2. Step 2: Convert to fraction form
    190,484.55/285,476.10 = 106,284.35/x
  3. Step 3: Cross multiply
    190,484.55x = 285,476.10 × 106,284.35
  4. Step 4: Simplify right side
    190,484.55x = 30,341,640,301.65
  5. Step 5: Solve for x
    x = 30,341,640,301.65/190,484.55
  6. Step 6: Final answer
    x = 159,286.62

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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.