Home / 104,865.36-157,004.96-56,661.30

Finding the Fourth Proportional to 104,865.36, 157,004.96 and 56,661.30

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Solution

The fourth proportional to 104,865.36, 157,004.96 and 56,661.30 is: 84,833.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,865.36 : 157,004.96 = 56,661.30 : x
  2. Step 2: Convert to fraction form
    104,865.36/157,004.96 = 56,661.30/x
  3. Step 3: Cross multiply
    104,865.36x = 157,004.96 × 56,661.30
  4. Step 4: Simplify right side
    104,865.36x = 8,896,105,140.05
  5. Step 5: Solve for x
    x = 8,896,105,140.05/104,865.36
  6. Step 6: Final answer
    x = 84,833.59

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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.