Home / 190,128.07-285,472.46-106,052.50

Finding the Fourth Proportional to 190,128.07, 285,472.46 and 106,052.50

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Solution

The fourth proportional to 190,128.07, 285,472.46 and 106,052.50 is: 159,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,128.07 : 285,472.46 = 106,052.50 : x
  2. Step 2: Convert to fraction form
    190,128.07/285,472.46 = 106,052.50/x
  3. Step 3: Cross multiply
    190,128.07x = 285,472.46 × 106,052.50
  4. Step 4: Simplify right side
    190,128.07x = 30,275,068,064.15
  5. Step 5: Solve for x
    x = 30,275,068,064.15/190,128.07
  6. Step 6: Final answer
    x = 159,235.13

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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.