Home / 131,330.02-181,242.22-80,326.75

Finding the Fourth Proportional to 131,330.02, 181,242.22 and 80,326.75

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Solution

The fourth proportional to 131,330.02, 181,242.22 and 80,326.75 is: 110,855.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,330.02 : 181,242.22 = 80,326.75 : x
  2. Step 2: Convert to fraction form
    131,330.02/181,242.22 = 80,326.75/x
  3. Step 3: Cross multiply
    131,330.02x = 181,242.22 × 80,326.75
  4. Step 4: Simplify right side
    131,330.02x = 14,558,598,495.39
  5. Step 5: Solve for x
    x = 14,558,598,495.39/131,330.02
  6. Step 6: Final answer
    x = 110,855.07

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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.