Home / 116,810.57-161,204.55-71,474.33

Finding the Fourth Proportional to 116,810.57, 161,204.55 and 71,474.33

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Solution

The fourth proportional to 116,810.57, 161,204.55 and 71,474.33 is: 98,638.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,810.57 : 161,204.55 = 71,474.33 : x
  2. Step 2: Convert to fraction form
    116,810.57/161,204.55 = 71,474.33/x
  3. Step 3: Cross multiply
    116,810.57x = 161,204.55 × 71,474.33
  4. Step 4: Simplify right side
    116,810.57x = 11,521,987,204.20
  5. Step 5: Solve for x
    x = 11,521,987,204.20/116,810.57
  6. Step 6: Final answer
    x = 98,638.22

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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.