Home / 88,168.65-121,590.46-67,993.17

Finding the Fourth Proportional to 88,168.65, 121,590.46 and 67,993.17

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Solution

The fourth proportional to 88,168.65, 121,590.46 and 67,993.17 is: 93,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,168.65 : 121,590.46 = 67,993.17 : x
  2. Step 2: Convert to fraction form
    88,168.65/121,590.46 = 67,993.17/x
  3. Step 3: Cross multiply
    88,168.65x = 121,590.46 × 67,993.17
  4. Step 4: Simplify right side
    88,168.65x = 8,267,320,477.19
  5. Step 5: Solve for x
    x = 8,267,320,477.19/88,168.65
  6. Step 6: Final answer
    x = 93,767.12

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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.