Home / 131,662.04-197,472.78-42,915.32

Finding the Fourth Proportional to 131,662.04, 197,472.78 and 42,915.32

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Solution

The fourth proportional to 131,662.04, 197,472.78 and 42,915.32 is: 64,366.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,662.04 : 197,472.78 = 42,915.32 : x
  2. Step 2: Convert to fraction form
    131,662.04/197,472.78 = 42,915.32/x
  3. Step 3: Cross multiply
    131,662.04x = 197,472.78 × 42,915.32
  4. Step 4: Simplify right side
    131,662.04x = 8,474,607,544.99
  5. Step 5: Solve for x
    x = 8,474,607,544.99/131,662.04
  6. Step 6: Final answer
    x = 64,366.37

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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.