Home / 179,678.55-247,798.92-143,855.49

Finding the Fourth Proportional to 179,678.55, 247,798.92 and 143,855.49

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Solution

The fourth proportional to 179,678.55, 247,798.92 and 143,855.49 is: 198,394.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,678.55 : 247,798.92 = 143,855.49 : x
  2. Step 2: Convert to fraction form
    179,678.55/247,798.92 = 143,855.49/x
  3. Step 3: Cross multiply
    179,678.55x = 247,798.92 × 143,855.49
  4. Step 4: Simplify right side
    179,678.55x = 35,647,235,058.07
  5. Step 5: Solve for x
    x = 35,647,235,058.07/179,678.55
  6. Step 6: Final answer
    x = 198,394.49

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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.