Home / 181,529.80-272,294.70-131,374.60

Finding the Fourth Proportional to 181,529.80, 272,294.70 and 131,374.60

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Solution

The fourth proportional to 181,529.80, 272,294.70 and 131,374.60 is: 197,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,529.80 : 272,294.70 = 131,374.60 : x
  2. Step 2: Convert to fraction form
    181,529.80/272,294.70 = 131,374.60/x
  3. Step 3: Cross multiply
    181,529.80x = 272,294.70 × 131,374.60
  4. Step 4: Simplify right side
    181,529.80x = 35,772,607,294.62
  5. Step 5: Solve for x
    x = 35,772,607,294.62/181,529.80
  6. Step 6: Final answer
    x = 197,061.90

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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.