Home / 151,232.87-226,718.07-76,290.45

Finding the Fourth Proportional to 151,232.87, 226,718.07 and 76,290.45

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Solution

The fourth proportional to 151,232.87, 226,718.07 and 76,290.45 is: 114,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,232.87 : 226,718.07 = 76,290.45 : x
  2. Step 2: Convert to fraction form
    151,232.87/226,718.07 = 76,290.45/x
  3. Step 3: Cross multiply
    151,232.87x = 226,718.07 × 76,290.45
  4. Step 4: Simplify right side
    151,232.87x = 17,296,423,583.43
  5. Step 5: Solve for x
    x = 17,296,423,583.43/151,232.87
  6. Step 6: Final answer
    x = 114,369.47

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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.