Home / 187,727.20-259,064.40-102,844

Finding the Fourth Proportional to 187,727.20, 259,064.40 and 102,844

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Solution

The fourth proportional to 187,727.20, 259,064.40 and 102,844 is: 141,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,727.20 : 259,064.40 = 102,844 : x
  2. Step 2: Convert to fraction form
    187,727.20/259,064.40 = 102,844/x
  3. Step 3: Cross multiply
    187,727.20x = 259,064.40 × 102,844
  4. Step 4: Simplify right side
    187,727.20x = 26,643,219,153.60
  5. Step 5: Solve for x
    x = 26,643,219,153.60/187,727.20
  6. Step 6: Final answer
    x = 141,925.19

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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.