Home / 151,014.20-226,696.20-81,030.20

Finding the Fourth Proportional to 151,014.20, 226,696.20 and 81,030.20

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Solution

The fourth proportional to 151,014.20, 226,696.20 and 81,030.20 is: 121,639.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,014.20 : 226,696.20 = 81,030.20 : x
  2. Step 2: Convert to fraction form
    151,014.20/226,696.20 = 81,030.20/x
  3. Step 3: Cross multiply
    151,014.20x = 226,696.20 × 81,030.20
  4. Step 4: Simplify right side
    151,014.20x = 18,369,238,425.24
  5. Step 5: Solve for x
    x = 18,369,238,425.24/151,014.20
  6. Step 6: Final answer
    x = 121,639.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.