Home / 158,977.95-238,289.32-68,916.71

Finding the Fourth Proportional to 158,977.95, 238,289.32 and 68,916.71

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Solution

The fourth proportional to 158,977.95, 238,289.32 and 68,916.71 is: 103,298.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,977.95 : 238,289.32 = 68,916.71 : x
  2. Step 2: Convert to fraction form
    158,977.95/238,289.32 = 68,916.71/x
  3. Step 3: Cross multiply
    158,977.95x = 238,289.32 × 68,916.71
  4. Step 4: Simplify right side
    158,977.95x = 16,422,115,962.54
  5. Step 5: Solve for x
    x = 16,422,115,962.54/158,977.95
  6. Step 6: Final answer
    x = 103,298.07

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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.