Home / 165,677.60-248,270.64-121,686.56

Finding the Fourth Proportional to 165,677.60, 248,270.64 and 121,686.56

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Solution

The fourth proportional to 165,677.60, 248,270.64 and 121,686.56 is: 182,349.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,677.60 : 248,270.64 = 121,686.56 : x
  2. Step 2: Convert to fraction form
    165,677.60/248,270.64 = 121,686.56/x
  3. Step 3: Cross multiply
    165,677.60x = 248,270.64 × 121,686.56
  4. Step 4: Simplify right side
    165,677.60x = 30,211,200,130.60
  5. Step 5: Solve for x
    x = 30,211,200,130.60/165,677.60
  6. Step 6: Final answer
    x = 182,349.33

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1.5x scale

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.