Home / 90,214.40-135,325.44-27,886.08

Finding the Fourth Proportional to 90,214.40, 135,325.44 and 27,886.08

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Solution

The fourth proportional to 90,214.40, 135,325.44 and 27,886.08 is: 41,830.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,214.40 : 135,325.44 = 27,886.08 : x
  2. Step 2: Convert to fraction form
    90,214.40/135,325.44 = 27,886.08/x
  3. Step 3: Cross multiply
    90,214.40x = 135,325.44 × 27,886.08
  4. Step 4: Simplify right side
    90,214.40x = 3,773,696,045.88
  5. Step 5: Solve for x
    x = 3,773,696,045.88/90,214.40
  6. Step 6: Final answer
    x = 41,830.31

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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.