Home / 177,118.88-265,629.64-105,985.48

Finding the Fourth Proportional to 177,118.88, 265,629.64 and 105,985.48

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Solution

The fourth proportional to 177,118.88, 265,629.64 and 105,985.48 is: 158,949.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,118.88 : 265,629.64 = 105,985.48 : x
  2. Step 2: Convert to fraction form
    177,118.88/265,629.64 = 105,985.48/x
  3. Step 3: Cross multiply
    177,118.88x = 265,629.64 × 105,985.48
  4. Step 4: Simplify right side
    177,118.88x = 28,152,884,897.63
  5. Step 5: Solve for x
    x = 28,152,884,897.63/177,118.88
  6. Step 6: Final answer
    x = 158,949.09

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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.