Home / 78,844.20-118,266.30-23,440.20

Finding the Fourth Proportional to 78,844.20, 118,266.30 and 23,440.20

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Solution

The fourth proportional to 78,844.20, 118,266.30 and 23,440.20 is: 35,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,844.20 : 118,266.30 = 23,440.20 : x
  2. Step 2: Convert to fraction form
    78,844.20/118,266.30 = 23,440.20/x
  3. Step 3: Cross multiply
    78,844.20x = 118,266.30 × 23,440.20
  4. Step 4: Simplify right side
    78,844.20x = 2,772,185,725.26
  5. Step 5: Solve for x
    x = 2,772,185,725.26/78,844.20
  6. Step 6: Final answer
    x = 35,160.30

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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.