Home / 145,003.96-217,464.18-39,826.36

Finding the Fourth Proportional to 145,003.96, 217,464.18 and 39,826.36

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Solution

The fourth proportional to 145,003.96, 217,464.18 and 39,826.36 is: 59,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,003.96 : 217,464.18 = 39,826.36 : x
  2. Step 2: Convert to fraction form
    145,003.96/217,464.18 = 39,826.36/x
  3. Step 3: Cross multiply
    145,003.96x = 217,464.18 × 39,826.36
  4. Step 4: Simplify right side
    145,003.96x = 8,660,806,719.78
  5. Step 5: Solve for x
    x = 8,660,806,719.78/145,003.96
  6. Step 6: Final answer
    x = 59,728.07

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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.