Home / 158,561.28-237,878.32-53,377.44

Finding the Fourth Proportional to 158,561.28, 237,878.32 and 53,377.44

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Solution

The fourth proportional to 158,561.28, 237,878.32 and 53,377.44 is: 80,078.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,561.28 : 237,878.32 = 53,377.44 : x
  2. Step 2: Convert to fraction form
    158,561.28/237,878.32 = 53,377.44/x
  3. Step 3: Cross multiply
    158,561.28x = 237,878.32 × 53,377.44
  4. Step 4: Simplify right side
    158,561.28x = 12,697,335,753.10
  5. Step 5: Solve for x
    x = 12,697,335,753.10/158,561.28
  6. Step 6: Final answer
    x = 80,078.41

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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.