Home / 115,550.28-159,459.84-67,804.56

Finding the Fourth Proportional to 115,550.28, 159,459.84 and 67,804.56

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Solution

The fourth proportional to 115,550.28, 159,459.84 and 67,804.56 is: 93,570.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,550.28 : 159,459.84 = 67,804.56 : x
  2. Step 2: Convert to fraction form
    115,550.28/159,459.84 = 67,804.56/x
  3. Step 3: Cross multiply
    115,550.28x = 159,459.84 × 67,804.56
  4. Step 4: Simplify right side
    115,550.28x = 10,812,104,288.87
  5. Step 5: Solve for x
    x = 10,812,104,288.87/115,550.28
  6. Step 6: Final answer
    x = 93,570.56

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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.