Home / 187,849.36-259,238.76-102,966.40

Finding the Fourth Proportional to 187,849.36, 259,238.76 and 102,966.40

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Solution

The fourth proportional to 187,849.36, 259,238.76 and 102,966.40 is: 142,097.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,849.36 : 259,238.76 = 102,966.40 : x
  2. Step 2: Convert to fraction form
    187,849.36/259,238.76 = 102,966.40/x
  3. Step 3: Cross multiply
    187,849.36x = 259,238.76 × 102,966.40
  4. Step 4: Simplify right side
    187,849.36x = 26,692,881,857.66
  5. Step 5: Solve for x
    x = 26,692,881,857.66/187,849.36
  6. Step 6: Final answer
    x = 142,097.27

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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.