Home / 163,425.26-245,211.82-83,421.91

Finding the Fourth Proportional to 163,425.26, 245,211.82 and 83,421.91

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Solution

The fourth proportional to 163,425.26, 245,211.82 and 83,421.91 is: 125,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,425.26 : 245,211.82 = 83,421.91 : x
  2. Step 2: Convert to fraction form
    163,425.26/245,211.82 = 83,421.91/x
  3. Step 3: Cross multiply
    163,425.26x = 245,211.82 × 83,421.91
  4. Step 4: Simplify right side
    163,425.26x = 20,456,036,735.81
  5. Step 5: Solve for x
    x = 20,456,036,735.81/163,425.26
  6. Step 6: Final answer
    x = 125,170.60

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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.