Home / 179,838.60-269,913.40-69,108.36

Finding the Fourth Proportional to 179,838.60, 269,913.40 and 69,108.36

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Solution

The fourth proportional to 179,838.60, 269,913.40 and 69,108.36 is: 103,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,838.60 : 269,913.40 = 69,108.36 : x
  2. Step 2: Convert to fraction form
    179,838.60/269,913.40 = 69,108.36/x
  3. Step 3: Cross multiply
    179,838.60x = 269,913.40 × 69,108.36
  4. Step 4: Simplify right side
    179,838.60x = 18,653,272,416.02
  5. Step 5: Solve for x
    x = 18,653,272,416.02/179,838.60
  6. Step 6: Final answer
    x = 103,722.30

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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.