Home / 115,543.76-159,450.47-67,155.17

Finding the Fourth Proportional to 115,543.76, 159,450.47 and 67,155.17

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Solution

The fourth proportional to 115,543.76, 159,450.47 and 67,155.17 is: 92,674.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,543.76 : 159,450.47 = 67,155.17 : x
  2. Step 2: Convert to fraction form
    115,543.76/159,450.47 = 67,155.17/x
  3. Step 3: Cross multiply
    115,543.76x = 159,450.47 × 67,155.17
  4. Step 4: Simplify right side
    115,543.76x = 10,707,922,286.40
  5. Step 5: Solve for x
    x = 10,707,922,286.40/115,543.76
  6. Step 6: Final answer
    x = 92,674.18

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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.