Home / 102,005.25-153,007.71-27,125.43

Finding the Fourth Proportional to 102,005.25, 153,007.71 and 27,125.43

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Solution

The fourth proportional to 102,005.25, 153,007.71 and 27,125.43 is: 40,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,005.25 : 153,007.71 = 27,125.43 : x
  2. Step 2: Convert to fraction form
    102,005.25/153,007.71 = 27,125.43/x
  3. Step 3: Cross multiply
    102,005.25x = 153,007.71 × 27,125.43
  4. Step 4: Simplify right side
    102,005.25x = 4,150,399,927.07
  5. Step 5: Solve for x
    x = 4,150,399,927.07/102,005.25
  6. Step 6: Final answer
    x = 40,688.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.