Home / 161,899.50-223,421.31-94,831.50

Finding the Fourth Proportional to 161,899.50, 223,421.31 and 94,831.50

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Solution

The fourth proportional to 161,899.50, 223,421.31 and 94,831.50 is: 130,867.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,899.50 : 223,421.31 = 94,831.50 : x
  2. Step 2: Convert to fraction form
    161,899.50/223,421.31 = 94,831.50/x
  3. Step 3: Cross multiply
    161,899.50x = 223,421.31 × 94,831.50
  4. Step 4: Simplify right side
    161,899.50x = 21,187,377,959.27
  5. Step 5: Solve for x
    x = 21,187,377,959.27/161,899.50
  6. Step 6: Final answer
    x = 130,867.47

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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.