Home / 125,977.41-173,848.80-69,388.78

Finding the Fourth Proportional to 125,977.41, 173,848.80 and 69,388.78

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Solution

The fourth proportional to 125,977.41, 173,848.80 and 69,388.78 is: 95,756.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,977.41 : 173,848.80 = 69,388.78 : x
  2. Step 2: Convert to fraction form
    125,977.41/173,848.80 = 69,388.78/x
  3. Step 3: Cross multiply
    125,977.41x = 173,848.80 × 69,388.78
  4. Step 4: Simplify right side
    125,977.41x = 12,063,156,136.46
  5. Step 5: Solve for x
    x = 12,063,156,136.46/125,977.41
  6. Step 6: Final answer
    x = 95,756.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.