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Finding the Fourth Proportional to 146,294.28, 201,886.38 and 79,226.28

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Solution

The fourth proportional to 146,294.28, 201,886.38 and 79,226.28 is: 109,332.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,294.28 : 201,886.38 = 79,226.28 : x
  2. Step 2: Convert to fraction form
    146,294.28/201,886.38 = 79,226.28/x
  3. Step 3: Cross multiply
    146,294.28x = 201,886.38 × 79,226.28
  4. Step 4: Simplify right side
    146,294.28x = 15,994,706,870.07
  5. Step 5: Solve for x
    x = 15,994,706,870.07/146,294.28
  6. Step 6: Final answer
    x = 109,332.41

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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.