Home / 194,621.20-291,931.80-106,047.70

Finding the Fourth Proportional to 194,621.20, 291,931.80 and 106,047.70

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Solution

The fourth proportional to 194,621.20, 291,931.80 and 106,047.70 is: 159,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,621.20 : 291,931.80 = 106,047.70 : x
  2. Step 2: Convert to fraction form
    194,621.20/291,931.80 = 106,047.70/x
  3. Step 3: Cross multiply
    194,621.20x = 291,931.80 × 106,047.70
  4. Step 4: Simplify right side
    194,621.20x = 30,958,695,946.86
  5. Step 5: Solve for x
    x = 30,958,695,946.86/194,621.20
  6. Step 6: Final answer
    x = 159,071.55

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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.