Home / 106,182.12-146,470.38-66,369

Finding the Fourth Proportional to 106,182.12, 146,470.38 and 66,369

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Solution

The fourth proportional to 106,182.12, 146,470.38 and 66,369 is: 91,551.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,182.12 : 146,470.38 = 66,369 : x
  2. Step 2: Convert to fraction form
    106,182.12/146,470.38 = 66,369/x
  3. Step 3: Cross multiply
    106,182.12x = 146,470.38 × 66,369
  4. Step 4: Simplify right side
    106,182.12x = 9,721,092,650.22
  5. Step 5: Solve for x
    x = 9,721,092,650.22/106,182.12
  6. Step 6: Final answer
    x = 91,551.13

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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.