Home / 132,210.62-198,394.72-47,977.35

Finding the Fourth Proportional to 132,210.62, 198,394.72 and 47,977.35

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Solution

The fourth proportional to 132,210.62, 198,394.72 and 47,977.35 is: 71,994.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,210.62 : 198,394.72 = 47,977.35 : x
  2. Step 2: Convert to fraction form
    132,210.62/198,394.72 = 47,977.35/x
  3. Step 3: Cross multiply
    132,210.62x = 198,394.72 × 47,977.35
  4. Step 4: Simplify right side
    132,210.62x = 9,518,452,919.59
  5. Step 5: Solve for x
    x = 9,518,452,919.59/132,210.62
  6. Step 6: Final answer
    x = 71,994.62

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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.