Home / 160,831.22-221,948.16-89,212.46

Finding the Fourth Proportional to 160,831.22, 221,948.16 and 89,212.46

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Solution

The fourth proportional to 160,831.22, 221,948.16 and 89,212.46 is: 123,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,831.22 : 221,948.16 = 89,212.46 : x
  2. Step 2: Convert to fraction form
    160,831.22/221,948.16 = 89,212.46/x
  3. Step 3: Cross multiply
    160,831.22x = 221,948.16 × 89,212.46
  4. Step 4: Simplify right side
    160,831.22x = 19,800,541,346.07
  5. Step 5: Solve for x
    x = 19,800,541,346.07/160,831.22
  6. Step 6: Final answer
    x = 123,113.79

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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.