Home / 163,805.91-245,681.46-45,489.21

Finding the Fourth Proportional to 163,805.91, 245,681.46 and 45,489.21

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Solution

The fourth proportional to 163,805.91, 245,681.46 and 45,489.21 is: 68,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,805.91 : 245,681.46 = 45,489.21 : x
  2. Step 2: Convert to fraction form
    163,805.91/245,681.46 = 45,489.21/x
  3. Step 3: Cross multiply
    163,805.91x = 245,681.46 × 45,489.21
  4. Step 4: Simplify right side
    163,805.91x = 11,175,855,527.05
  5. Step 5: Solve for x
    x = 11,175,855,527.05/163,805.91
  6. Step 6: Final answer
    x = 68,226.20

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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.