Home / 159,621.86-239,410.22-47,313.95

Finding the Fourth Proportional to 159,621.86, 239,410.22 and 47,313.95

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Solution

The fourth proportional to 159,621.86, 239,410.22 and 47,313.95 is: 70,964.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,621.86 : 239,410.22 = 47,313.95 : x
  2. Step 2: Convert to fraction form
    159,621.86/239,410.22 = 47,313.95/x
  3. Step 3: Cross multiply
    159,621.86x = 239,410.22 × 47,313.95
  4. Step 4: Simplify right side
    159,621.86x = 11,327,441,744.95
  5. Step 5: Solve for x
    x = 11,327,441,744.95/159,621.86
  6. Step 6: Final answer
    x = 70,964.22

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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.