Home / 143,257.30-214,885.95-131,010.10

Finding the Fourth Proportional to 143,257.30, 214,885.95 and 131,010.10

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Solution

The fourth proportional to 143,257.30, 214,885.95 and 131,010.10 is: 196,515.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,257.30 : 214,885.95 = 131,010.10 : x
  2. Step 2: Convert to fraction form
    143,257.30/214,885.95 = 131,010.10/x
  3. Step 3: Cross multiply
    143,257.30x = 214,885.95 × 131,010.10
  4. Step 4: Simplify right side
    143,257.30x = 28,152,229,798.10
  5. Step 5: Solve for x
    x = 28,152,229,798.10/143,257.30
  6. Step 6: Final answer
    x = 196,515.15

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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.