Home / 194,475.20-291,712.80-46,731.20

Finding the Fourth Proportional to 194,475.20, 291,712.80 and 46,731.20

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Solution

The fourth proportional to 194,475.20, 291,712.80 and 46,731.20 is: 70,096.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,475.20 : 291,712.80 = 46,731.20 : x
  2. Step 2: Convert to fraction form
    194,475.20/291,712.80 = 46,731.20/x
  3. Step 3: Cross multiply
    194,475.20x = 291,712.80 × 46,731.20
  4. Step 4: Simplify right side
    194,475.20x = 13,632,087,740.80
  5. Step 5: Solve for x
    x = 13,632,087,740.80/194,475.20
  6. Step 6: Final answer
    x = 70,096.79

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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.