Home / 131,690.04-181,829.94-80,773.02

Finding the Fourth Proportional to 131,690.04, 181,829.94 and 80,773.02

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Solution

The fourth proportional to 131,690.04, 181,829.94 and 80,773.02 is: 111,526.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,690.04 : 181,829.94 = 80,773.02 : x
  2. Step 2: Convert to fraction form
    131,690.04/181,829.94 = 80,773.02/x
  3. Step 3: Cross multiply
    131,690.04x = 181,829.94 × 80,773.02
  4. Step 4: Simplify right side
    131,690.04x = 14,686,953,380.22
  5. Step 5: Solve for x
    x = 14,686,953,380.22/131,690.04
  6. Step 6: Final answer
    x = 111,526.68

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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.