Home / 189,313.35-261,232.20-104,430.39

Finding the Fourth Proportional to 189,313.35, 261,232.20 and 104,430.39

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Solution

The fourth proportional to 189,313.35, 261,232.20 and 104,430.39 is: 144,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,313.35 : 261,232.20 = 104,430.39 : x
  2. Step 2: Convert to fraction form
    189,313.35/261,232.20 = 104,430.39/x
  3. Step 3: Cross multiply
    189,313.35x = 261,232.20 × 104,430.39
  4. Step 4: Simplify right side
    189,313.35x = 27,280,580,526.56
  5. Step 5: Solve for x
    x = 27,280,580,526.56/189,313.35
  6. Step 6: Final answer
    x = 144,102.78

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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.