Home / 164,345.28-226,743.48-129,780.33

Finding the Fourth Proportional to 164,345.28, 226,743.48 and 129,780.33

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Solution

The fourth proportional to 164,345.28, 226,743.48 and 129,780.33 is: 179,055.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,345.28 : 226,743.48 = 129,780.33 : x
  2. Step 2: Convert to fraction form
    164,345.28/226,743.48 = 129,780.33/x
  3. Step 3: Cross multiply
    164,345.28x = 226,743.48 × 129,780.33
  4. Step 4: Simplify right side
    164,345.28x = 29,426,843,659.75
  5. Step 5: Solve for x
    x = 29,426,843,659.75/164,345.28
  6. Step 6: Final answer
    x = 179,055.00

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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.