Home / 154,532.28-213,230.19-90,012.14

Finding the Fourth Proportional to 154,532.28, 213,230.19 and 90,012.14

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Solution

The fourth proportional to 154,532.28, 213,230.19 and 90,012.14 is: 124,202.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,532.28 : 213,230.19 = 90,012.14 : x
  2. Step 2: Convert to fraction form
    154,532.28/213,230.19 = 90,012.14/x
  3. Step 3: Cross multiply
    154,532.28x = 213,230.19 × 90,012.14
  4. Step 4: Simplify right side
    154,532.28x = 19,193,305,714.51
  5. Step 5: Solve for x
    x = 19,193,305,714.51/154,532.28
  6. Step 6: Final answer
    x = 124,202.57

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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.