Home / 187,914.32-259,317.96-103,032.08

Finding the Fourth Proportional to 187,914.32, 259,317.96 and 103,032.08

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Solution

The fourth proportional to 187,914.32, 259,317.96 and 103,032.08 is: 142,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,914.32 : 259,317.96 = 103,032.08 : x
  2. Step 2: Convert to fraction form
    187,914.32/259,317.96 = 103,032.08/x
  3. Step 3: Cross multiply
    187,914.32x = 259,317.96 × 103,032.08
  4. Step 4: Simplify right side
    187,914.32x = 26,718,068,800.16
  5. Step 5: Solve for x
    x = 26,718,068,800.16/187,914.32
  6. Step 6: Final answer
    x = 142,182.19

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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.