Home / 190,288-284,980.02-123,521.32

Finding the Fourth Proportional to 190,288, 284,980.02 and 123,521.32

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Solution

The fourth proportional to 190,288, 284,980.02 and 123,521.32 is: 184,988.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,288 : 284,980.02 = 123,521.32 : x
  2. Step 2: Convert to fraction form
    190,288/284,980.02 = 123,521.32/x
  3. Step 3: Cross multiply
    190,288x = 284,980.02 × 123,521.32
  4. Step 4: Simplify right side
    190,288x = 35,201,108,244.03
  5. Step 5: Solve for x
    x = 35,201,108,244.03/190,288
  6. Step 6: Final answer
    x = 184,988.59

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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.