Home / 86,141.10-118,877.30-52,155.81

Finding the Fourth Proportional to 86,141.10, 118,877.30 and 52,155.81

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Solution

The fourth proportional to 86,141.10, 118,877.30 and 52,155.81 is: 71,976.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,141.10 : 118,877.30 = 52,155.81 : x
  2. Step 2: Convert to fraction form
    86,141.10/118,877.30 = 52,155.81/x
  3. Step 3: Cross multiply
    86,141.10x = 118,877.30 × 52,155.81
  4. Step 4: Simplify right side
    86,141.10x = 6,200,141,611.33
  5. Step 5: Solve for x
    x = 6,200,141,611.33/86,141.10
  6. Step 6: Final answer
    x = 71,976.58

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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.