Home / 116,670.48-160,963.16-76,407.21

Finding the Fourth Proportional to 116,670.48, 160,963.16 and 76,407.21

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Solution

The fourth proportional to 116,670.48, 160,963.16 and 76,407.21 is: 105,414.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,670.48 : 160,963.16 = 76,407.21 : x
  2. Step 2: Convert to fraction form
    116,670.48/160,963.16 = 76,407.21/x
  3. Step 3: Cross multiply
    116,670.48x = 160,963.16 × 76,407.21
  4. Step 4: Simplify right side
    116,670.48x = 12,298,745,163.57
  5. Step 5: Solve for x
    x = 12,298,745,163.57/116,670.48
  6. Step 6: Final answer
    x = 105,414.37

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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.