Home / 187,394.28-258,604.02-102,511.32

Finding the Fourth Proportional to 187,394.28, 258,604.02 and 102,511.32

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Solution

The fourth proportional to 187,394.28, 258,604.02 and 102,511.32 is: 141,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,394.28 : 258,604.02 = 102,511.32 : x
  2. Step 2: Convert to fraction form
    187,394.28/258,604.02 = 102,511.32/x
  3. Step 3: Cross multiply
    187,394.28x = 258,604.02 × 102,511.32
  4. Step 4: Simplify right side
    187,394.28x = 26,509,839,447.51
  5. Step 5: Solve for x
    x = 26,509,839,447.51/187,394.28
  6. Step 6: Final answer
    x = 141,465.57

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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.