Home / 165,707.48-228,686.09-124,799.45

Finding the Fourth Proportional to 165,707.48, 228,686.09 and 124,799.45

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Solution

The fourth proportional to 165,707.48, 228,686.09 and 124,799.45 is: 172,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,707.48 : 228,686.09 = 124,799.45 : x
  2. Step 2: Convert to fraction form
    165,707.48/228,686.09 = 124,799.45/x
  3. Step 3: Cross multiply
    165,707.48x = 228,686.09 × 124,799.45
  4. Step 4: Simplify right side
    165,707.48x = 28,539,896,487.22
  5. Step 5: Solve for x
    x = 28,539,896,487.22/165,707.48
  6. Step 6: Final answer
    x = 172,230.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.