Home / 187,645.96-258,887.16-107,015.52

Finding the Fourth Proportional to 187,645.96, 258,887.16 and 107,015.52

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Solution

The fourth proportional to 187,645.96, 258,887.16 and 107,015.52 is: 147,644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,645.96 : 258,887.16 = 107,015.52 : x
  2. Step 2: Convert to fraction form
    187,645.96/258,887.16 = 107,015.52/x
  3. Step 3: Cross multiply
    187,645.96x = 258,887.16 × 107,015.52
  4. Step 4: Simplify right side
    187,645.96x = 27,704,944,048.72
  5. Step 5: Solve for x
    x = 27,704,944,048.72/187,645.96
  6. Step 6: Final answer
    x = 147,644.77

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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.