Home / 190,204.31-285,199.58-130,300.33

Finding the Fourth Proportional to 190,204.31, 285,199.58 and 130,300.33

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Solution

The fourth proportional to 190,204.31, 285,199.58 and 130,300.33 is: 195,377.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,204.31 : 285,199.58 = 130,300.33 : x
  2. Step 2: Convert to fraction form
    190,204.31/285,199.58 = 130,300.33/x
  3. Step 3: Cross multiply
    190,204.31x = 285,199.58 × 130,300.33
  4. Step 4: Simplify right side
    190,204.31x = 37,161,597,312.36
  5. Step 5: Solve for x
    x = 37,161,597,312.36/190,204.31
  6. Step 6: Final answer
    x = 195,377.27

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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.