Home / 92,257.41-138,278.59-42,342.78

Finding the Fourth Proportional to 92,257.41, 138,278.59 and 42,342.78

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Solution

The fourth proportional to 92,257.41, 138,278.59 and 42,342.78 is: 63,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,257.41 : 138,278.59 = 42,342.78 : x
  2. Step 2: Convert to fraction form
    92,257.41/138,278.59 = 42,342.78/x
  3. Step 3: Cross multiply
    92,257.41x = 138,278.59 × 42,342.78
  4. Step 4: Simplify right side
    92,257.41x = 5,855,099,915.08
  5. Step 5: Solve for x
    x = 5,855,099,915.08/92,257.41
  6. Step 6: Final answer
    x = 63,464.82

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1.5x scale

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.