Home / 124,089.30-186,227.84-90,895.64

Finding the Fourth Proportional to 124,089.30, 186,227.84 and 90,895.64

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Solution

The fourth proportional to 124,089.30, 186,227.84 and 90,895.64 is: 136,412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,089.30 : 186,227.84 = 90,895.64 : x
  2. Step 2: Convert to fraction form
    124,089.30/186,227.84 = 90,895.64/x
  3. Step 3: Cross multiply
    124,089.30x = 186,227.84 × 90,895.64
  4. Step 4: Simplify right side
    124,089.30x = 16,927,297,998.72
  5. Step 5: Solve for x
    x = 16,927,297,998.72/124,089.30
  6. Step 6: Final answer
    x = 136,412.23

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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.