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Finding the Fourth Proportional to 134,083.68, 185,026.32 and 73,656.90

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Solution

The fourth proportional to 134,083.68, 185,026.32 and 73,656.90 is: 101,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,083.68 : 185,026.32 = 73,656.90 : x
  2. Step 2: Convert to fraction form
    134,083.68/185,026.32 = 73,656.90/x
  3. Step 3: Cross multiply
    134,083.68x = 185,026.32 × 73,656.90
  4. Step 4: Simplify right side
    134,083.68x = 13,628,465,149.61
  5. Step 5: Solve for x
    x = 13,628,465,149.61/134,083.68
  6. Step 6: Final answer
    x = 101,641.49

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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.