Home / 121,519.60-182,279.40-116,270.80

Finding the Fourth Proportional to 121,519.60, 182,279.40 and 116,270.80

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Solution

The fourth proportional to 121,519.60, 182,279.40 and 116,270.80 is: 174,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,519.60 : 182,279.40 = 116,270.80 : x
  2. Step 2: Convert to fraction form
    121,519.60/182,279.40 = 116,270.80/x
  3. Step 3: Cross multiply
    121,519.60x = 182,279.40 × 116,270.80
  4. Step 4: Simplify right side
    121,519.60x = 21,193,771,661.52
  5. Step 5: Solve for x
    x = 21,193,771,661.52/121,519.60
  6. Step 6: Final answer
    x = 174,406.20

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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.