Home / 102,072.23-152,886.75-49,371.20

Finding the Fourth Proportional to 102,072.23, 152,886.75 and 49,371.20

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Solution

The fourth proportional to 102,072.23, 152,886.75 and 49,371.20 is: 73,949.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,072.23 : 152,886.75 = 49,371.20 : x
  2. Step 2: Convert to fraction form
    102,072.23/152,886.75 = 49,371.20/x
  3. Step 3: Cross multiply
    102,072.23x = 152,886.75 × 49,371.20
  4. Step 4: Simplify right side
    102,072.23x = 7,548,201,547.17
  5. Step 5: Solve for x
    x = 7,548,201,547.17/102,072.23
  6. Step 6: Final answer
    x = 73,949.61

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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.