Home / 188,302.02-259,869.51-103,419.96

Finding the Fourth Proportional to 188,302.02, 259,869.51 and 103,419.96

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Solution

The fourth proportional to 188,302.02, 259,869.51 and 103,419.96 is: 142,726.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,302.02 : 259,869.51 = 103,419.96 : x
  2. Step 2: Convert to fraction form
    188,302.02/259,869.51 = 103,419.96/x
  3. Step 3: Cross multiply
    188,302.02x = 259,869.51 × 103,419.96
  4. Step 4: Simplify right side
    188,302.02x = 26,875,694,329.42
  5. Step 5: Solve for x
    x = 26,875,694,329.42/188,302.02
  6. Step 6: Final answer
    x = 142,726.53

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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.