Home / 115,476.54-159,322.80-67,069.13

Finding the Fourth Proportional to 115,476.54, 159,322.80 and 67,069.13

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Solution

The fourth proportional to 115,476.54, 159,322.80 and 67,069.13 is: 92,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,476.54 : 159,322.80 = 67,069.13 : x
  2. Step 2: Convert to fraction form
    115,476.54/159,322.80 = 67,069.13/x
  3. Step 3: Cross multiply
    115,476.54x = 159,322.80 × 67,069.13
  4. Step 4: Simplify right side
    115,476.54x = 10,685,641,558.99
  5. Step 5: Solve for x
    x = 10,685,641,558.99/115,476.54
  6. Step 6: Final answer
    x = 92,535.18

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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.