Home / 102,018.55-153,039.47-27,141.75

Finding the Fourth Proportional to 102,018.55, 153,039.47 and 27,141.75

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Solution

The fourth proportional to 102,018.55, 153,039.47 and 27,141.75 is: 40,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,018.55 : 153,039.47 = 27,141.75 : x
  2. Step 2: Convert to fraction form
    102,018.55/153,039.47 = 27,141.75/x
  3. Step 3: Cross multiply
    102,018.55x = 153,039.47 × 27,141.75
  4. Step 4: Simplify right side
    102,018.55x = 4,153,759,034.87
  5. Step 5: Solve for x
    x = 4,153,759,034.87/102,018.55
  6. Step 6: Final answer
    x = 40,715.72

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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.