Home / 90,895.90-136,350.08-30,899.96

Finding the Fourth Proportional to 90,895.90, 136,350.08 and 30,899.96

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Solution

The fourth proportional to 90,895.90, 136,350.08 and 30,899.96 is: 46,352.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,895.90 : 136,350.08 = 30,899.96 : x
  2. Step 2: Convert to fraction form
    90,895.90/136,350.08 = 30,899.96/x
  3. Step 3: Cross multiply
    90,895.90x = 136,350.08 × 30,899.96
  4. Step 4: Simplify right side
    90,895.90x = 4,213,212,018.00
  5. Step 5: Solve for x
    x = 4,213,212,018.00/90,895.90
  6. Step 6: Final answer
    x = 46,352.06

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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.