Home / 135,285.27-186,693.89-74,858.46

Finding the Fourth Proportional to 135,285.27, 186,693.89 and 74,858.46

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Solution

The fourth proportional to 135,285.27, 186,693.89 and 74,858.46 is: 103,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,285.27 : 186,693.89 = 74,858.46 : x
  2. Step 2: Convert to fraction form
    135,285.27/186,693.89 = 74,858.46/x
  3. Step 3: Cross multiply
    135,285.27x = 186,693.89 × 74,858.46
  4. Step 4: Simplify right side
    135,285.27x = 13,975,617,096.81
  5. Step 5: Solve for x
    x = 13,975,617,096.81/135,285.27
  6. Step 6: Final answer
    x = 103,304.80

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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.