Home / 249,640.42-374,423.73-91,831.97

Finding the Fourth Proportional to 249,640.42, 374,423.73 and 91,831.97

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Solution

The fourth proportional to 249,640.42, 374,423.73 and 91,831.97 is: 137,734.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,640.42 : 374,423.73 = 91,831.97 : x
  2. Step 2: Convert to fraction form
    249,640.42/374,423.73 = 91,831.97/x
  3. Step 3: Cross multiply
    249,640.42x = 374,423.73 × 91,831.97
  4. Step 4: Simplify right side
    249,640.42x = 34,384,067,928.25
  5. Step 5: Solve for x
    x = 34,384,067,928.25/249,640.42
  6. Step 6: Final answer
    x = 137,734.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.