Home / 187,841.84-259,219.86-102,960.32

Finding the Fourth Proportional to 187,841.84, 259,219.86 and 102,960.32

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Solution

The fourth proportional to 187,841.84, 259,219.86 and 102,960.32 is: 142,084.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,841.84 : 259,219.86 = 102,960.32 : x
  2. Step 2: Convert to fraction form
    187,841.84/259,219.86 = 102,960.32/x
  3. Step 3: Cross multiply
    187,841.84x = 259,219.86 × 102,960.32
  4. Step 4: Simplify right side
    187,841.84x = 26,689,359,735.96
  5. Step 5: Solve for x
    x = 26,689,359,735.96/187,841.84
  6. Step 6: Final answer
    x = 142,084.21

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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.