Home / 137,199.85-189,079.31-98,893.17

Finding the Fourth Proportional to 137,199.85, 189,079.31 and 98,893.17

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Solution

The fourth proportional to 137,199.85, 189,079.31 and 98,893.17 is: 136,287.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,199.85 : 189,079.31 = 98,893.17 : x
  2. Step 2: Convert to fraction form
    137,199.85/189,079.31 = 98,893.17/x
  3. Step 3: Cross multiply
    137,199.85x = 189,079.31 × 98,893.17
  4. Step 4: Simplify right side
    137,199.85x = 18,698,652,594.55
  5. Step 5: Solve for x
    x = 18,698,652,594.55/137,199.85
  6. Step 6: Final answer
    x = 136,287.71

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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.