Home / 207,918.96-286,928.28-112,426.44

Finding the Fourth Proportional to 207,918.96, 286,928.28 and 112,426.44

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Solution

The fourth proportional to 207,918.96, 286,928.28 and 112,426.44 is: 155,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,918.96 : 286,928.28 = 112,426.44 : x
  2. Step 2: Convert to fraction form
    207,918.96/286,928.28 = 112,426.44/x
  3. Step 3: Cross multiply
    207,918.96x = 286,928.28 × 112,426.44
  4. Step 4: Simplify right side
    207,918.96x = 32,258,325,055.72
  5. Step 5: Solve for x
    x = 32,258,325,055.72/207,918.96
  6. Step 6: Final answer
    x = 155,148.55

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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.