Home / 118,811.72-163,953.90-67,822.42

Finding the Fourth Proportional to 118,811.72, 163,953.90 and 67,822.42

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Solution

The fourth proportional to 118,811.72, 163,953.90 and 67,822.42 is: 93,591.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,811.72 : 163,953.90 = 67,822.42 : x
  2. Step 2: Convert to fraction form
    118,811.72/163,953.90 = 67,822.42/x
  3. Step 3: Cross multiply
    118,811.72x = 163,953.90 × 67,822.42
  4. Step 4: Simplify right side
    118,811.72x = 11,119,749,856.55
  5. Step 5: Solve for x
    x = 11,119,749,856.55/118,811.72
  6. Step 6: Final answer
    x = 93,591.36

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1.5x scale

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.