Home / 249,929.78-374,896.11-102,185.78

Finding the Fourth Proportional to 249,929.78, 374,896.11 and 102,185.78

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Solution

The fourth proportional to 249,929.78, 374,896.11 and 102,185.78 is: 153,279.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,929.78 : 374,896.11 = 102,185.78 : x
  2. Step 2: Convert to fraction form
    249,929.78/374,896.11 = 102,185.78/x
  3. Step 3: Cross multiply
    249,929.78x = 374,896.11 × 102,185.78
  4. Step 4: Simplify right side
    249,929.78x = 38,309,051,419.32
  5. Step 5: Solve for x
    x = 38,309,051,419.32/249,929.78
  6. Step 6: Final answer
    x = 153,279.26

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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.