Home / 163,970.10-245,399.17-100,829.89

Finding the Fourth Proportional to 163,970.10, 245,399.17 and 100,829.89

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Solution

The fourth proportional to 163,970.10, 245,399.17 and 100,829.89 is: 150,902.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,970.10 : 245,399.17 = 100,829.89 : x
  2. Step 2: Convert to fraction form
    163,970.10/245,399.17 = 100,829.89/x
  3. Step 3: Cross multiply
    163,970.10x = 245,399.17 × 100,829.89
  4. Step 4: Simplify right side
    163,970.10x = 24,743,570,870.74
  5. Step 5: Solve for x
    x = 24,743,570,870.74/163,970.10
  6. Step 6: Final answer
    x = 150,902.95

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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.