Home / 190,131.30-285,182.10-49,886.28

Finding the Fourth Proportional to 190,131.30, 285,182.10 and 49,886.28

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Solution

The fourth proportional to 190,131.30, 285,182.10 and 49,886.28 is: 74,825.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,131.30 : 285,182.10 = 49,886.28 : x
  2. Step 2: Convert to fraction form
    190,131.30/285,182.10 = 49,886.28/x
  3. Step 3: Cross multiply
    190,131.30x = 285,182.10 × 49,886.28
  4. Step 4: Simplify right side
    190,131.30x = 14,226,674,091.59
  5. Step 5: Solve for x
    x = 14,226,674,091.59/190,131.30
  6. Step 6: Final answer
    x = 74,825.52

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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.