Home / 145,163.47-217,660.44-56,313.15

Finding the Fourth Proportional to 145,163.47, 217,660.44 and 56,313.15

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Solution

The fourth proportional to 145,163.47, 217,660.44 and 56,313.15 is: 84,436.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,163.47 : 217,660.44 = 56,313.15 : x
  2. Step 2: Convert to fraction form
    145,163.47/217,660.44 = 56,313.15/x
  3. Step 3: Cross multiply
    145,163.47x = 217,660.44 × 56,313.15
  4. Step 4: Simplify right side
    145,163.47x = 12,257,145,006.79
  5. Step 5: Solve for x
    x = 12,257,145,006.79/145,163.47
  6. Step 6: Final answer
    x = 84,436.84

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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.