Home / 124,427.60-171,709.64-67,838.96

Finding the Fourth Proportional to 124,427.60, 171,709.64 and 67,838.96

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Solution

The fourth proportional to 124,427.60, 171,709.64 and 67,838.96 is: 93,617.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,427.60 : 171,709.64 = 67,838.96 : x
  2. Step 2: Convert to fraction form
    124,427.60/171,709.64 = 67,838.96/x
  3. Step 3: Cross multiply
    124,427.60x = 171,709.64 × 67,838.96
  4. Step 4: Simplify right side
    124,427.60x = 11,648,603,399.57
  5. Step 5: Solve for x
    x = 11,648,603,399.57/124,427.60
  6. Step 6: Final answer
    x = 93,617.52

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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.