Home / 187,707.72-259,036.64-102,824.76

Finding the Fourth Proportional to 187,707.72, 259,036.64 and 102,824.76

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Solution

The fourth proportional to 187,707.72, 259,036.64 and 102,824.76 is: 141,898.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,707.72 : 259,036.64 = 102,824.76 : x
  2. Step 2: Convert to fraction form
    187,707.72/259,036.64 = 102,824.76/x
  3. Step 3: Cross multiply
    187,707.72x = 259,036.64 × 102,824.76
  4. Step 4: Simplify right side
    187,707.72x = 26,635,380,339.21
  5. Step 5: Solve for x
    x = 26,635,380,339.21/187,707.72
  6. Step 6: Final answer
    x = 141,898.16

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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.