Home / 189,108.48-260,971.52-104,228.80

Finding the Fourth Proportional to 189,108.48, 260,971.52 and 104,228.80

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Solution

The fourth proportional to 189,108.48, 260,971.52 and 104,228.80 is: 143,836.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,108.48 : 260,971.52 = 104,228.80 : x
  2. Step 2: Convert to fraction form
    189,108.48/260,971.52 = 104,228.80/x
  3. Step 3: Cross multiply
    189,108.48x = 260,971.52 × 104,228.80
  4. Step 4: Simplify right side
    189,108.48x = 27,200,748,363.78
  5. Step 5: Solve for x
    x = 27,200,748,363.78/189,108.48
  6. Step 6: Final answer
    x = 143,836.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.