Home / 190,690.48-263,152.02-105,807.34

Finding the Fourth Proportional to 190,690.48, 263,152.02 and 105,807.34

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Solution

The fourth proportional to 190,690.48, 263,152.02 and 105,807.34 is: 146,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,690.48 : 263,152.02 = 105,807.34 : x
  2. Step 2: Convert to fraction form
    190,690.48/263,152.02 = 105,807.34/x
  3. Step 3: Cross multiply
    190,690.48x = 263,152.02 × 105,807.34
  4. Step 4: Simplify right side
    190,690.48x = 27,843,415,251.83
  5. Step 5: Solve for x
    x = 27,843,415,251.83/190,690.48
  6. Step 6: Final answer
    x = 146,013.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.