Home / 187,847.36-259,235.36-102,969.76

Finding the Fourth Proportional to 187,847.36, 259,235.36 and 102,969.76

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Solution

The fourth proportional to 187,847.36, 259,235.36 and 102,969.76 is: 142,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,847.36 : 259,235.36 = 102,969.76 : x
  2. Step 2: Convert to fraction form
    187,847.36/259,235.36 = 102,969.76/x
  3. Step 3: Cross multiply
    187,847.36x = 259,235.36 × 102,969.76
  4. Step 4: Simplify right side
    187,847.36x = 26,693,402,802.71
  5. Step 5: Solve for x
    x = 26,693,402,802.71/187,847.36
  6. Step 6: Final answer
    x = 142,101.56

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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.