Home / 163,972.67-245,987.10-75,233.79

Finding the Fourth Proportional to 163,972.67, 245,987.10 and 75,233.79

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Solution

The fourth proportional to 163,972.67, 245,987.10 and 75,233.79 is: 112,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,972.67 : 245,987.10 = 75,233.79 : x
  2. Step 2: Convert to fraction form
    163,972.67/245,987.10 = 75,233.79/x
  3. Step 3: Cross multiply
    163,972.67x = 245,987.10 × 75,233.79
  4. Step 4: Simplify right side
    163,972.67x = 18,506,541,824.11
  5. Step 5: Solve for x
    x = 18,506,541,824.11/163,972.67
  6. Step 6: Final answer
    x = 112,863.58

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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.