Home / 164,319.78-226,708.29-129,754.80

Finding the Fourth Proportional to 164,319.78, 226,708.29 and 129,754.80

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Solution

The fourth proportional to 164,319.78, 226,708.29 and 129,754.80 is: 179,019.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,319.78 : 226,708.29 = 129,754.80 : x
  2. Step 2: Convert to fraction form
    164,319.78/226,708.29 = 129,754.80/x
  3. Step 3: Cross multiply
    164,319.78x = 226,708.29 × 129,754.80
  4. Step 4: Simplify right side
    164,319.78x = 29,416,488,827.29
  5. Step 5: Solve for x
    x = 29,416,488,827.29/164,319.78
  6. Step 6: Final answer
    x = 179,019.77

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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.