Home / 105,926.92-146,308.48-79,188.14

Finding the Fourth Proportional to 105,926.92, 146,308.48 and 79,188.14

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Solution

The fourth proportional to 105,926.92, 146,308.48 and 79,188.14 is: 109,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,926.92 : 146,308.48 = 79,188.14 : x
  2. Step 2: Convert to fraction form
    105,926.92/146,308.48 = 79,188.14/x
  3. Step 3: Cross multiply
    105,926.92x = 146,308.48 × 79,188.14
  4. Step 4: Simplify right side
    105,926.92x = 11,585,896,397.43
  5. Step 5: Solve for x
    x = 11,585,896,397.43/105,926.92
  6. Step 6: Final answer
    x = 109,376.32

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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.