Home / 187,856.36-259,248.42-102,973.40

Finding the Fourth Proportional to 187,856.36, 259,248.42 and 102,973.40

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Solution

The fourth proportional to 187,856.36, 259,248.42 and 102,973.40 is: 142,106.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,856.36 : 259,248.42 = 102,973.40 : x
  2. Step 2: Convert to fraction form
    187,856.36/259,248.42 = 102,973.40/x
  3. Step 3: Cross multiply
    187,856.36x = 259,248.42 × 102,973.40
  4. Step 4: Simplify right side
    187,856.36x = 26,695,691,252.03
  5. Step 5: Solve for x
    x = 26,695,691,252.03/187,856.36
  6. Step 6: Final answer
    x = 142,106.93

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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.