Home / 133,498.28-184,215.12-79,772.60

Finding the Fourth Proportional to 133,498.28, 184,215.12 and 79,772.60

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Solution

The fourth proportional to 133,498.28, 184,215.12 and 79,772.60 is: 110,078.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,498.28 : 184,215.12 = 79,772.60 : x
  2. Step 2: Convert to fraction form
    133,498.28/184,215.12 = 79,772.60/x
  3. Step 3: Cross multiply
    133,498.28x = 184,215.12 × 79,772.60
  4. Step 4: Simplify right side
    133,498.28x = 14,695,319,081.71
  5. Step 5: Solve for x
    x = 14,695,319,081.71/133,498.28
  6. Step 6: Final answer
    x = 110,078.71

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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.