Home / 177,929.10-266,893.65-72,723.47

Finding the Fourth Proportional to 177,929.10, 266,893.65 and 72,723.47

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Solution

The fourth proportional to 177,929.10, 266,893.65 and 72,723.47 is: 109,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,929.10 : 266,893.65 = 72,723.47 : x
  2. Step 2: Convert to fraction form
    177,929.10/266,893.65 = 72,723.47/x
  3. Step 3: Cross multiply
    177,929.10x = 266,893.65 × 72,723.47
  4. Step 4: Simplify right side
    177,929.10x = 19,409,431,014.50
  5. Step 5: Solve for x
    x = 19,409,431,014.50/177,929.10
  6. Step 6: Final answer
    x = 109,085.20

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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.