Home / 270,078.07-372,711.65-149,222.14

Finding the Fourth Proportional to 270,078.07, 372,711.65 and 149,222.14

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Solution

The fourth proportional to 270,078.07, 372,711.65 and 149,222.14 is: 205,928.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,078.07 : 372,711.65 = 149,222.14 : x
  2. Step 2: Convert to fraction form
    270,078.07/372,711.65 = 149,222.14/x
  3. Step 3: Cross multiply
    270,078.07x = 372,711.65 × 149,222.14
  4. Step 4: Simplify right side
    270,078.07x = 55,616,830,015.93
  5. Step 5: Solve for x
    x = 55,616,830,015.93/270,078.07
  6. Step 6: Final answer
    x = 205,928.72

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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.