Home / 183,981.64-253,915.69-102,318.02

Finding the Fourth Proportional to 183,981.64, 253,915.69 and 102,318.02

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Solution

The fourth proportional to 183,981.64, 253,915.69 and 102,318.02 is: 141,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,981.64 : 253,915.69 = 102,318.02 : x
  2. Step 2: Convert to fraction form
    183,981.64/253,915.69 = 102,318.02/x
  3. Step 3: Cross multiply
    183,981.64x = 253,915.69 × 102,318.02
  4. Step 4: Simplify right side
    183,981.64x = 25,980,150,647.73
  5. Step 5: Solve for x
    x = 25,980,150,647.73/183,981.64
  6. Step 6: Final answer
    x = 141,210.56

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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.