Home / 88,344.62-121,960.74-68,156.18

Finding the Fourth Proportional to 88,344.62, 121,960.74 and 68,156.18

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Solution

The fourth proportional to 88,344.62, 121,960.74 and 68,156.18 is: 94,090.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,344.62 : 121,960.74 = 68,156.18 : x
  2. Step 2: Convert to fraction form
    88,344.62/121,960.74 = 68,156.18/x
  3. Step 3: Cross multiply
    88,344.62x = 121,960.74 × 68,156.18
  4. Step 4: Simplify right side
    88,344.62x = 8,312,378,148.37
  5. Step 5: Solve for x
    x = 8,312,378,148.37/88,344.62
  6. Step 6: Final answer
    x = 94,090.37

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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.