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Finding the Fourth Proportional to 146,275.34, 201,859.92 and 79,207.34

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Solution

The fourth proportional to 146,275.34, 201,859.92 and 79,207.34 is: 109,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,275.34 : 201,859.92 = 79,207.34 : x
  2. Step 2: Convert to fraction form
    146,275.34/201,859.92 = 79,207.34/x
  3. Step 3: Cross multiply
    146,275.34x = 201,859.92 × 79,207.34
  4. Step 4: Simplify right side
    146,275.34x = 15,988,786,306.51
  5. Step 5: Solve for x
    x = 15,988,786,306.51/146,275.34
  6. Step 6: Final answer
    x = 109,306.10

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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.