Home / 90,877.32-136,299.54-27,682.32

Finding the Fourth Proportional to 90,877.32, 136,299.54 and 27,682.32

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Solution

The fourth proportional to 90,877.32, 136,299.54 and 27,682.32 is: 41,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,877.32 : 136,299.54 = 27,682.32 : x
  2. Step 2: Convert to fraction form
    90,877.32/136,299.54 = 27,682.32/x
  3. Step 3: Cross multiply
    90,877.32x = 136,299.54 × 27,682.32
  4. Step 4: Simplify right side
    90,877.32x = 3,773,087,482.13
  5. Step 5: Solve for x
    x = 3,773,087,482.13/90,877.32
  6. Step 6: Final answer
    x = 41,518.47

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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.