Home / 121,513.60-182,270.40-109,849.60

Finding the Fourth Proportional to 121,513.60, 182,270.40 and 109,849.60

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Solution

The fourth proportional to 121,513.60, 182,270.40 and 109,849.60 is: 164,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,513.60 : 182,270.40 = 109,849.60 : x
  2. Step 2: Convert to fraction form
    121,513.60/182,270.40 = 109,849.60/x
  3. Step 3: Cross multiply
    121,513.60x = 182,270.40 × 109,849.60
  4. Step 4: Simplify right side
    121,513.60x = 20,022,330,531.84
  5. Step 5: Solve for x
    x = 20,022,330,531.84/121,513.60
  6. Step 6: Final answer
    x = 164,774.40

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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.