Home / 131,094.77-180,924.65-80,137.33

Finding the Fourth Proportional to 131,094.77, 180,924.65 and 80,137.33

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Solution

The fourth proportional to 131,094.77, 180,924.65 and 80,137.33 is: 110,597.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,094.77 : 180,924.65 = 80,137.33 : x
  2. Step 2: Convert to fraction form
    131,094.77/180,924.65 = 80,137.33/x
  3. Step 3: Cross multiply
    131,094.77x = 180,924.65 × 80,137.33
  4. Step 4: Simplify right side
    131,094.77x = 14,498,817,829.70
  5. Step 5: Solve for x
    x = 14,498,817,829.70/131,094.77
  6. Step 6: Final answer
    x = 110,597.99

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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.