Home / 217,739.70-326,525.56-84,602.42

Finding the Fourth Proportional to 217,739.70, 326,525.56 and 84,602.42

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Solution

The fourth proportional to 217,739.70, 326,525.56 and 84,602.42 is: 126,871.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,739.70 : 326,525.56 = 84,602.42 : x
  2. Step 2: Convert to fraction form
    217,739.70/326,525.56 = 84,602.42/x
  3. Step 3: Cross multiply
    217,739.70x = 326,525.56 × 84,602.42
  4. Step 4: Simplify right side
    217,739.70x = 27,624,852,567.86
  5. Step 5: Solve for x
    x = 27,624,852,567.86/217,739.70
  6. Step 6: Final answer
    x = 126,871.00

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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.