Home / 130,112.37-195,168.57-36,618.12

Finding the Fourth Proportional to 130,112.37, 195,168.57 and 36,618.12

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Solution

The fourth proportional to 130,112.37, 195,168.57 and 36,618.12 is: 54,927.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,112.37 : 195,168.57 = 36,618.12 : x
  2. Step 2: Convert to fraction form
    130,112.37/195,168.57 = 36,618.12/x
  3. Step 3: Cross multiply
    130,112.37x = 195,168.57 × 36,618.12
  4. Step 4: Simplify right side
    130,112.37x = 7,146,706,116.49
  5. Step 5: Solve for x
    x = 7,146,706,116.49/130,112.37
  6. Step 6: Final answer
    x = 54,927.18

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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.