Home / 137,211.84-189,346.14-75,960.32

Finding the Fourth Proportional to 137,211.84, 189,346.14 and 75,960.32

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Solution

The fourth proportional to 137,211.84, 189,346.14 and 75,960.32 is: 104,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,211.84 : 189,346.14 = 75,960.32 : x
  2. Step 2: Convert to fraction form
    137,211.84/189,346.14 = 75,960.32/x
  3. Step 3: Cross multiply
    137,211.84x = 189,346.14 × 75,960.32
  4. Step 4: Simplify right side
    137,211.84x = 14,382,792,438.43
  5. Step 5: Solve for x
    x = 14,382,792,438.43/137,211.84
  6. Step 6: Final answer
    x = 104,821.80

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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.