Home / 131,746.23-197,650.83-42,999.90

Finding the Fourth Proportional to 131,746.23, 197,650.83 and 42,999.90

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Solution

The fourth proportional to 131,746.23, 197,650.83 and 42,999.90 is: 64,510.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,746.23 : 197,650.83 = 42,999.90 : x
  2. Step 2: Convert to fraction form
    131,746.23/197,650.83 = 42,999.90/x
  3. Step 3: Cross multiply
    131,746.23x = 197,650.83 × 42,999.90
  4. Step 4: Simplify right side
    131,746.23x = 8,498,965,344.98
  5. Step 5: Solve for x
    x = 8,498,965,344.98/131,746.23
  6. Step 6: Final answer
    x = 64,510.12

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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.