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Finding the Fourth Proportional to 181,699.70, 250,726.94 and 105,243.62

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Solution

The fourth proportional to 181,699.70, 250,726.94 and 105,243.62 is: 145,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,699.70 : 250,726.94 = 105,243.62 : x
  2. Step 2: Convert to fraction form
    181,699.70/250,726.94 = 105,243.62/x
  3. Step 3: Cross multiply
    181,699.70x = 250,726.94 × 105,243.62
  4. Step 4: Simplify right side
    181,699.70x = 26,387,409,017.27
  5. Step 5: Solve for x
    x = 26,387,409,017.27/181,699.70
  6. Step 6: Final answer
    x = 145,225.39

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1.5x scale

Why These Related Problems?

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