Home / 222,126.47-306,533.67-120,152.23

Finding the Fourth Proportional to 222,126.47, 306,533.67 and 120,152.23

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Solution

The fourth proportional to 222,126.47, 306,533.67 and 120,152.23 is: 165,809.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,126.47 : 306,533.67 = 120,152.23 : x
  2. Step 2: Convert to fraction form
    222,126.47/306,533.67 = 120,152.23/x
  3. Step 3: Cross multiply
    222,126.47x = 306,533.67 × 120,152.23
  4. Step 4: Simplify right side
    222,126.47x = 36,830,702,803.68
  5. Step 5: Solve for x
    x = 36,830,702,803.68/222,126.47
  6. Step 6: Final answer
    x = 165,809.61

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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.