Home / 250,042.23-345,055.61-135,318.36

Finding the Fourth Proportional to 250,042.23, 345,055.61 and 135,318.36

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Solution

The fourth proportional to 250,042.23, 345,055.61 and 135,318.36 is: 186,737.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,042.23 : 345,055.61 = 135,318.36 : x
  2. Step 2: Convert to fraction form
    250,042.23/345,055.61 = 135,318.36/x
  3. Step 3: Cross multiply
    250,042.23x = 345,055.61 × 135,318.36
  4. Step 4: Simplify right side
    250,042.23x = 46,692,359,254.00
  5. Step 5: Solve for x
    x = 46,692,359,254.00/250,042.23
  6. Step 6: Final answer
    x = 186,737.89

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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.