Home / 118,214.82-163,133.40-64,500.21

Finding the Fourth Proportional to 118,214.82, 163,133.40 and 64,500.21

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Solution

The fourth proportional to 118,214.82, 163,133.40 and 64,500.21 is: 89,008.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,214.82 : 163,133.40 = 64,500.21 : x
  2. Step 2: Convert to fraction form
    118,214.82/163,133.40 = 64,500.21/x
  3. Step 3: Cross multiply
    118,214.82x = 163,133.40 × 64,500.21
  4. Step 4: Simplify right side
    118,214.82x = 10,522,138,558.01
  5. Step 5: Solve for x
    x = 10,522,138,558.01/118,214.82
  6. Step 6: Final answer
    x = 89,008.62

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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.