Home / 126,565.02-189,899.91-55,450.89

Finding the Fourth Proportional to 126,565.02, 189,899.91 and 55,450.89

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Solution

The fourth proportional to 126,565.02, 189,899.91 and 55,450.89 is: 83,199.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,565.02 : 189,899.91 = 55,450.89 : x
  2. Step 2: Convert to fraction form
    126,565.02/189,899.91 = 55,450.89/x
  3. Step 3: Cross multiply
    126,565.02x = 189,899.91 × 55,450.89
  4. Step 4: Simplify right side
    126,565.02x = 10,530,119,020.42
  5. Step 5: Solve for x
    x = 10,530,119,020.42/126,565.02
  6. Step 6: Final answer
    x = 83,199.28

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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.