Home / 121,298.40-181,947.60-110,217.60

Finding the Fourth Proportional to 121,298.40, 181,947.60 and 110,217.60

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Solution

The fourth proportional to 121,298.40, 181,947.60 and 110,217.60 is: 165,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,298.40 : 181,947.60 = 110,217.60 : x
  2. Step 2: Convert to fraction form
    121,298.40/181,947.60 = 110,217.60/x
  3. Step 3: Cross multiply
    121,298.40x = 181,947.60 × 110,217.60
  4. Step 4: Simplify right side
    121,298.40x = 20,053,827,797.76
  5. Step 5: Solve for x
    x = 20,053,827,797.76/121,298.40
  6. Step 6: Final answer
    x = 165,326.40

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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.