Home / 90,817.35-136,226.80-31,652.93

Finding the Fourth Proportional to 90,817.35, 136,226.80 and 31,652.93

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Solution

The fourth proportional to 90,817.35, 136,226.80 and 31,652.93 is: 47,479.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,817.35 : 136,226.80 = 31,652.93 : x
  2. Step 2: Convert to fraction form
    90,817.35/136,226.80 = 31,652.93/x
  3. Step 3: Cross multiply
    90,817.35x = 136,226.80 × 31,652.93
  4. Step 4: Simplify right side
    90,817.35x = 4,311,976,604.26
  5. Step 5: Solve for x
    x = 4,311,976,604.26/90,817.35
  6. Step 6: Final answer
    x = 47,479.66

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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.