Home / 136,971.52-205,349.60-92,038.56

Finding the Fourth Proportional to 136,971.52, 205,349.60 and 92,038.56

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Solution

The fourth proportional to 136,971.52, 205,349.60 and 92,038.56 is: 137,985.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,971.52 : 205,349.60 = 92,038.56 : x
  2. Step 2: Convert to fraction form
    136,971.52/205,349.60 = 92,038.56/x
  3. Step 3: Cross multiply
    136,971.52x = 205,349.60 × 92,038.56
  4. Step 4: Simplify right side
    136,971.52x = 18,900,081,480.58
  5. Step 5: Solve for x
    x = 18,900,081,480.58/136,971.52
  6. Step 6: Final answer
    x = 137,985.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.