Home / 181,737.80-272,606.70-131,971.40

Finding the Fourth Proportional to 181,737.80, 272,606.70 and 131,971.40

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Solution

The fourth proportional to 181,737.80, 272,606.70 and 131,971.40 is: 197,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,737.80 : 272,606.70 = 131,971.40 : x
  2. Step 2: Convert to fraction form
    181,737.80/272,606.70 = 131,971.40/x
  3. Step 3: Cross multiply
    181,737.80x = 272,606.70 × 131,971.40
  4. Step 4: Simplify right side
    181,737.80x = 35,976,287,848.38
  5. Step 5: Solve for x
    x = 35,976,287,848.38/181,737.80
  6. Step 6: Final answer
    x = 197,957.10

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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.