Home / 247,075.43-340,964.39-133,898.18

Finding the Fourth Proportional to 247,075.43, 340,964.39 and 133,898.18

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Solution

The fourth proportional to 247,075.43, 340,964.39 and 133,898.18 is: 184,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,075.43 : 340,964.39 = 133,898.18 : x
  2. Step 2: Convert to fraction form
    247,075.43/340,964.39 = 133,898.18/x
  3. Step 3: Cross multiply
    247,075.43x = 340,964.39 × 133,898.18
  4. Step 4: Simplify right side
    247,075.43x = 45,654,511,265.81
  5. Step 5: Solve for x
    x = 45,654,511,265.81/247,075.43
  6. Step 6: Final answer
    x = 184,779.65

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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.