Home / 238,916.40-358,124.57-89,096.42

Finding the Fourth Proportional to 238,916.40, 358,124.57 and 89,096.42

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Solution

The fourth proportional to 238,916.40, 358,124.57 and 89,096.42 is: 133,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,916.40 : 358,124.57 = 89,096.42 : x
  2. Step 2: Convert to fraction form
    238,916.40/358,124.57 = 89,096.42/x
  3. Step 3: Cross multiply
    238,916.40x = 358,124.57 × 89,096.42
  4. Step 4: Simplify right side
    238,916.40x = 31,907,617,101.04
  5. Step 5: Solve for x
    x = 31,907,617,101.04/238,916.40
  6. Step 6: Final answer
    x = 133,551.39

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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.