Home / 131,724.81-181,807.07-89,297.01

Finding the Fourth Proportional to 131,724.81, 181,807.07 and 89,297.01

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Solution

The fourth proportional to 131,724.81, 181,807.07 and 89,297.01 is: 123,248.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,724.81 : 181,807.07 = 89,297.01 : x
  2. Step 2: Convert to fraction form
    131,724.81/181,807.07 = 89,297.01/x
  3. Step 3: Cross multiply
    131,724.81x = 181,807.07 × 89,297.01
  4. Step 4: Simplify right side
    131,724.81x = 16,234,827,301.38
  5. Step 5: Solve for x
    x = 16,234,827,301.38/131,724.81
  6. Step 6: Final answer
    x = 123,248.06

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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.