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Finding the Fourth Proportional to 146,379.17, 201,992.13 and 89,010.57

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Solution

The fourth proportional to 146,379.17, 201,992.13 and 89,010.57 is: 122,827.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,379.17 : 201,992.13 = 89,010.57 : x
  2. Step 2: Convert to fraction form
    146,379.17/201,992.13 = 89,010.57/x
  3. Step 3: Cross multiply
    146,379.17x = 201,992.13 × 89,010.57
  4. Step 4: Simplify right side
    146,379.17x = 17,979,434,293.02
  5. Step 5: Solve for x
    x = 17,979,434,293.02/146,379.17
  6. Step 6: Final answer
    x = 122,827.82

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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.