Home / 146,287.04-201,876.12-79,219.04

Finding the Fourth Proportional to 146,287.04, 201,876.12 and 79,219.04

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Solution

The fourth proportional to 146,287.04, 201,876.12 and 79,219.04 is: 109,322.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,287.04 : 201,876.12 = 79,219.04 : x
  2. Step 2: Convert to fraction form
    146,287.04/201,876.12 = 79,219.04/x
  3. Step 3: Cross multiply
    146,287.04x = 201,876.12 × 79,219.04
  4. Step 4: Simplify right side
    146,287.04x = 15,992,432,425.32
  5. Step 5: Solve for x
    x = 15,992,432,425.32/146,287.04
  6. Step 6: Final answer
    x = 109,322.28

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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.