Home / 207,919.41-286,928.91-112,426.08

Finding the Fourth Proportional to 207,919.41, 286,928.91 and 112,426.08

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Solution

The fourth proportional to 207,919.41, 286,928.91 and 112,426.08 is: 155,148.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,919.41 : 286,928.91 = 112,426.08 : x
  2. Step 2: Convert to fraction form
    207,919.41/286,928.91 = 112,426.08/x
  3. Step 3: Cross multiply
    207,919.41x = 286,928.91 × 112,426.08
  4. Step 4: Simplify right side
    207,919.41x = 32,258,292,589.97
  5. Step 5: Solve for x
    x = 32,258,292,589.97/207,919.41
  6. Step 6: Final answer
    x = 155,148.06

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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.