Home / 105,186.02-146,136.63-103,924.88

Finding the Fourth Proportional to 105,186.02, 146,136.63 and 103,924.88

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Solution

The fourth proportional to 105,186.02, 146,136.63 and 103,924.88 is: 144,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,186.02 : 146,136.63 = 103,924.88 : x
  2. Step 2: Convert to fraction form
    105,186.02/146,136.63 = 103,924.88/x
  3. Step 3: Cross multiply
    105,186.02x = 146,136.63 × 103,924.88
  4. Step 4: Simplify right side
    105,186.02x = 15,187,231,736.35
  5. Step 5: Solve for x
    x = 15,187,231,736.35/105,186.02
  6. Step 6: Final answer
    x = 144,384.51

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.