Home / 190,117.30-285,161.10-49,872.28

Finding the Fourth Proportional to 190,117.30, 285,161.10 and 49,872.28

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Solution

The fourth proportional to 190,117.30, 285,161.10 and 49,872.28 is: 74,804.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,117.30 : 285,161.10 = 49,872.28 : x
  2. Step 2: Convert to fraction form
    190,117.30/285,161.10 = 49,872.28/x
  3. Step 3: Cross multiply
    190,117.30x = 285,161.10 × 49,872.28
  4. Step 4: Simplify right side
    190,117.30x = 14,221,634,224.31
  5. Step 5: Solve for x
    x = 14,221,634,224.31/190,117.30
  6. Step 6: Final answer
    x = 74,804.52

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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.