Home / 131,259.15-196,920.09-42,512.76

Finding the Fourth Proportional to 131,259.15, 196,920.09 and 42,512.76

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Solution

The fourth proportional to 131,259.15, 196,920.09 and 42,512.76 is: 63,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,259.15 : 196,920.09 = 42,512.76 : x
  2. Step 2: Convert to fraction form
    131,259.15/196,920.09 = 42,512.76/x
  3. Step 3: Cross multiply
    131,259.15x = 196,920.09 × 42,512.76
  4. Step 4: Simplify right side
    131,259.15x = 8,371,616,525.35
  5. Step 5: Solve for x
    x = 8,371,616,525.35/131,259.15
  6. Step 6: Final answer
    x = 63,779.30

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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.