Home / 90,743.31-125,207.33-53,010.27

Finding the Fourth Proportional to 90,743.31, 125,207.33 and 53,010.27

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Solution

The fourth proportional to 90,743.31, 125,207.33 and 53,010.27 is: 73,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,743.31 : 125,207.33 = 53,010.27 : x
  2. Step 2: Convert to fraction form
    90,743.31/125,207.33 = 53,010.27/x
  3. Step 3: Cross multiply
    90,743.31x = 125,207.33 × 53,010.27
  4. Step 4: Simplify right side
    90,743.31x = 6,637,274,104.23
  5. Step 5: Solve for x
    x = 6,637,274,104.23/90,743.31
  6. Step 6: Final answer
    x = 73,143.40

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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.