Home / 102,080.06-153,120.32-31,003.25

Finding the Fourth Proportional to 102,080.06, 153,120.32 and 31,003.25

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Solution

The fourth proportional to 102,080.06, 153,120.32 and 31,003.25 is: 46,504.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,080.06 : 153,120.32 = 31,003.25 : x
  2. Step 2: Convert to fraction form
    102,080.06/153,120.32 = 31,003.25/x
  3. Step 3: Cross multiply
    102,080.06x = 153,120.32 × 31,003.25
  4. Step 4: Simplify right side
    102,080.06x = 4,747,226,872.95
  5. Step 5: Solve for x
    x = 4,747,226,872.95/102,080.06
  6. Step 6: Final answer
    x = 46,504.94

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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.