Home / 173,636.10-260,454.15-142,143.30

Finding the Fourth Proportional to 173,636.10, 260,454.15 and 142,143.30

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Solution

The fourth proportional to 173,636.10, 260,454.15 and 142,143.30 is: 213,214.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,636.10 : 260,454.15 = 142,143.30 : x
  2. Step 2: Convert to fraction form
    173,636.10/260,454.15 = 142,143.30/x
  3. Step 3: Cross multiply
    173,636.10x = 260,454.15 × 142,143.30
  4. Step 4: Simplify right side
    173,636.10x = 37,021,812,379.70
  5. Step 5: Solve for x
    x = 37,021,812,379.70/173,636.10
  6. Step 6: Final answer
    x = 213,214.95

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1.5x scale

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.