Home / 131,448.10-197,172.15-94,123.30

Finding the Fourth Proportional to 131,448.10, 197,172.15 and 94,123.30

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Solution

The fourth proportional to 131,448.10, 197,172.15 and 94,123.30 is: 141,184.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,448.10 : 197,172.15 = 94,123.30 : x
  2. Step 2: Convert to fraction form
    131,448.10/197,172.15 = 94,123.30/x
  3. Step 3: Cross multiply
    131,448.10x = 197,172.15 × 94,123.30
  4. Step 4: Simplify right side
    131,448.10x = 18,558,493,426.10
  5. Step 5: Solve for x
    x = 18,558,493,426.10/131,448.10
  6. Step 6: Final answer
    x = 141,184.95

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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.