Home / 268,284.30-402,176.26-90,667.09

Finding the Fourth Proportional to 268,284.30, 402,176.26 and 90,667.09

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Solution

The fourth proportional to 268,284.30, 402,176.26 and 90,667.09 is: 135,916.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,284.30 : 402,176.26 = 90,667.09 : x
  2. Step 2: Convert to fraction form
    268,284.30/402,176.26 = 90,667.09/x
  3. Step 3: Cross multiply
    268,284.30x = 402,176.26 × 90,667.09
  4. Step 4: Simplify right side
    268,284.30x = 36,464,151,161.28
  5. Step 5: Solve for x
    x = 36,464,151,161.28/268,284.30
  6. Step 6: Final answer
    x = 135,916.08

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1.5x scale

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.