Home / 131,567.30-197,350.95-84,328.10

Finding the Fourth Proportional to 131,567.30, 197,350.95 and 84,328.10

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Solution

The fourth proportional to 131,567.30, 197,350.95 and 84,328.10 is: 126,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,567.30 : 197,350.95 = 84,328.10 : x
  2. Step 2: Convert to fraction form
    131,567.30/197,350.95 = 84,328.10/x
  3. Step 3: Cross multiply
    131,567.30x = 197,350.95 × 84,328.10
  4. Step 4: Simplify right side
    131,567.30x = 16,642,230,646.70
  5. Step 5: Solve for x
    x = 16,642,230,646.70/131,567.30
  6. Step 6: Final answer
    x = 126,492.15

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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.