Home / 190,130.45-285,476.03-106,054.88

Finding the Fourth Proportional to 190,130.45, 285,476.03 and 106,054.88

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Solution

The fourth proportional to 190,130.45, 285,476.03 and 106,054.88 is: 159,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,130.45 : 285,476.03 = 106,054.88 : x
  2. Step 2: Convert to fraction form
    190,130.45/285,476.03 = 106,054.88/x
  3. Step 3: Cross multiply
    190,130.45x = 285,476.03 × 106,054.88
  4. Step 4: Simplify right side
    190,130.45x = 30,276,124,146.87
  5. Step 5: Solve for x
    x = 30,276,124,146.87/190,130.45
  6. Step 6: Final answer
    x = 159,238.70

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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.