Home / 131,623.59-197,435.24-42,876.95

Finding the Fourth Proportional to 131,623.59, 197,435.24 and 42,876.95

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Solution

The fourth proportional to 131,623.59, 197,435.24 and 42,876.95 is: 64,315.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,623.59 : 197,435.24 = 42,876.95 : x
  2. Step 2: Convert to fraction form
    131,623.59/197,435.24 = 42,876.95/x
  3. Step 3: Cross multiply
    131,623.59x = 197,435.24 × 42,876.95
  4. Step 4: Simplify right side
    131,623.59x = 8,465,421,192.92
  5. Step 5: Solve for x
    x = 8,465,421,192.92/131,623.59
  6. Step 6: Final answer
    x = 64,315.38

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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.