Home / 164,864.90-227,265.54-128,992.62

Finding the Fourth Proportional to 164,864.90, 227,265.54 and 128,992.62

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Solution

The fourth proportional to 164,864.90, 227,265.54 and 128,992.62 is: 177,815.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,864.90 : 227,265.54 = 128,992.62 : x
  2. Step 2: Convert to fraction form
    164,864.90/227,265.54 = 128,992.62/x
  3. Step 3: Cross multiply
    164,864.90x = 227,265.54 × 128,992.62
  4. Step 4: Simplify right side
    164,864.90x = 29,315,577,440.31
  5. Step 5: Solve for x
    x = 29,315,577,440.31/164,864.90
  6. Step 6: Final answer
    x = 177,815.76

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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.