Home / 127,037.27-190,389.78-52,069.65

Finding the Fourth Proportional to 127,037.27, 190,389.78 and 52,069.65

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Solution

The fourth proportional to 127,037.27, 190,389.78 and 52,069.65 is: 78,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,037.27 : 190,389.78 = 52,069.65 : x
  2. Step 2: Convert to fraction form
    127,037.27/190,389.78 = 52,069.65/x
  3. Step 3: Cross multiply
    127,037.27x = 190,389.78 × 52,069.65
  4. Step 4: Simplify right side
    127,037.27x = 9,913,529,208.18
  5. Step 5: Solve for x
    x = 9,913,529,208.18/127,037.27
  6. Step 6: Final answer
    x = 78,036.39

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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.