Home / 165,405.40-248,110.02-157,338.47

Finding the Fourth Proportional to 165,405.40, 248,110.02 and 157,338.47

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Solution

The fourth proportional to 165,405.40, 248,110.02 and 157,338.47 is: 236,009.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,405.40 : 248,110.02 = 157,338.47 : x
  2. Step 2: Convert to fraction form
    165,405.40/248,110.02 = 157,338.47/x
  3. Step 3: Cross multiply
    165,405.40x = 248,110.02 × 157,338.47
  4. Step 4: Simplify right side
    165,405.40x = 39,037,251,558.74
  5. Step 5: Solve for x
    x = 39,037,251,558.74/165,405.40
  6. Step 6: Final answer
    x = 236,009.54

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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.