Home / 231,964.06-320,094.22-128,597.22

Finding the Fourth Proportional to 231,964.06, 320,094.22 and 128,597.22

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Solution

The fourth proportional to 231,964.06, 320,094.22 and 128,597.22 is: 177,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,964.06 : 320,094.22 = 128,597.22 : x
  2. Step 2: Convert to fraction form
    231,964.06/320,094.22 = 128,597.22/x
  3. Step 3: Cross multiply
    231,964.06x = 320,094.22 × 128,597.22
  4. Step 4: Simplify right side
    231,964.06x = 41,163,226,830.07
  5. Step 5: Solve for x
    x = 41,163,226,830.07/231,964.06
  6. Step 6: Final answer
    x = 177,455.19

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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.