Home / 117,215.69-161,757.45-63,502.07

Finding the Fourth Proportional to 117,215.69, 161,757.45 and 63,502.07

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Solution

The fourth proportional to 117,215.69, 161,757.45 and 63,502.07 is: 87,632.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,215.69 : 161,757.45 = 63,502.07 : x
  2. Step 2: Convert to fraction form
    117,215.69/161,757.45 = 63,502.07/x
  3. Step 3: Cross multiply
    117,215.69x = 161,757.45 × 63,502.07
  4. Step 4: Simplify right side
    117,215.69x = 10,271,932,104.13
  5. Step 5: Solve for x
    x = 10,271,932,104.13/117,215.69
  6. Step 6: Final answer
    x = 87,632.74

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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.