Home / 252,106.69-347,902.77-137,386.35

Finding the Fourth Proportional to 252,106.69, 347,902.77 and 137,386.35

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Solution

The fourth proportional to 252,106.69, 347,902.77 and 137,386.35 is: 189,590.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,106.69 : 347,902.77 = 137,386.35 : x
  2. Step 2: Convert to fraction form
    252,106.69/347,902.77 = 137,386.35/x
  3. Step 3: Cross multiply
    252,106.69x = 347,902.77 × 137,386.35
  4. Step 4: Simplify right side
    252,106.69x = 47,797,091,725.19
  5. Step 5: Solve for x
    x = 47,797,091,725.19/252,106.69
  6. Step 6: Final answer
    x = 189,590.73

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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.