Home / 118,460.20-163,472.64-64,745.60

Finding the Fourth Proportional to 118,460.20, 163,472.64 and 64,745.60

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Solution

The fourth proportional to 118,460.20, 163,472.64 and 64,745.60 is: 89,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,460.20 : 163,472.64 = 64,745.60 : x
  2. Step 2: Convert to fraction form
    118,460.20/163,472.64 = 64,745.60/x
  3. Step 3: Cross multiply
    118,460.20x = 163,472.64 × 64,745.60
  4. Step 4: Simplify right side
    118,460.20x = 10,584,134,160.38
  5. Step 5: Solve for x
    x = 10,584,134,160.38/118,460.20
  6. Step 6: Final answer
    x = 89,347.60

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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.