Home / 117,228.07-161,774.90-63,513.09

Finding the Fourth Proportional to 117,228.07, 161,774.90 and 63,513.09

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Solution

The fourth proportional to 117,228.07, 161,774.90 and 63,513.09 is: 87,648.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,228.07 : 161,774.90 = 63,513.09 : x
  2. Step 2: Convert to fraction form
    117,228.07/161,774.90 = 63,513.09/x
  3. Step 3: Cross multiply
    117,228.07x = 161,774.90 × 63,513.09
  4. Step 4: Simplify right side
    117,228.07x = 10,274,823,783.44
  5. Step 5: Solve for x
    x = 10,274,823,783.44/117,228.07
  6. Step 6: Final answer
    x = 87,648.15

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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.