Home / 229,091.31-316,147.73-127,117.17

Finding the Fourth Proportional to 229,091.31, 316,147.73 and 127,117.17

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Solution

The fourth proportional to 229,091.31, 316,147.73 and 127,117.17 is: 175,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,091.31 : 316,147.73 = 127,117.17 : x
  2. Step 2: Convert to fraction form
    229,091.31/316,147.73 = 127,117.17/x
  3. Step 3: Cross multiply
    229,091.31x = 316,147.73 × 127,117.17
  4. Step 4: Simplify right side
    229,091.31x = 40,187,804,103.94
  5. Step 5: Solve for x
    x = 40,187,804,103.94/229,091.31
  6. Step 6: Final answer
    x = 175,422.65

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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.