Home / 90,344.22-135,534.51-31,182.18

Finding the Fourth Proportional to 90,344.22, 135,534.51 and 31,182.18

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Solution

The fourth proportional to 90,344.22, 135,534.51 and 31,182.18 is: 46,779.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,344.22 : 135,534.51 = 31,182.18 : x
  2. Step 2: Convert to fraction form
    90,344.22/135,534.51 = 31,182.18/x
  3. Step 3: Cross multiply
    90,344.22x = 135,534.51 × 31,182.18
  4. Step 4: Simplify right side
    90,344.22x = 4,226,261,487.03
  5. Step 5: Solve for x
    x = 4,226,261,487.03/90,344.22
  6. Step 6: Final answer
    x = 46,779.54

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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.