Home / 164,990.81-227,690.06-89,539.31

Finding the Fourth Proportional to 164,990.81, 227,690.06 and 89,539.31

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Solution

The fourth proportional to 164,990.81, 227,690.06 and 89,539.31 is: 123,565.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,990.81 : 227,690.06 = 89,539.31 : x
  2. Step 2: Convert to fraction form
    164,990.81/227,690.06 = 89,539.31/x
  3. Step 3: Cross multiply
    164,990.81x = 227,690.06 × 89,539.31
  4. Step 4: Simplify right side
    164,990.81x = 20,387,210,987.79
  5. Step 5: Solve for x
    x = 20,387,210,987.79/164,990.81
  6. Step 6: Final answer
    x = 123,565.73

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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.