Home / 125,977.96-173,846-68,615.98

Finding the Fourth Proportional to 125,977.96, 173,846 and 68,615.98

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Solution

The fourth proportional to 125,977.96, 173,846 and 68,615.98 is: 94,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,977.96 : 173,846 = 68,615.98 : x
  2. Step 2: Convert to fraction form
    125,977.96/173,846 = 68,615.98/x
  3. Step 3: Cross multiply
    125,977.96x = 173,846 × 68,615.98
  4. Step 4: Simplify right side
    125,977.96x = 11,928,613,659.08
  5. Step 5: Solve for x
    x = 11,928,613,659.08/125,977.96
  6. Step 6: Final answer
    x = 94,688.10

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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.