Home / 181,074.38-249,880.79-100,502.60

Finding the Fourth Proportional to 181,074.38, 249,880.79 and 100,502.60

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Solution

The fourth proportional to 181,074.38, 249,880.79 and 100,502.60 is: 138,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,074.38 : 249,880.79 = 100,502.60 : x
  2. Step 2: Convert to fraction form
    181,074.38/249,880.79 = 100,502.60/x
  3. Step 3: Cross multiply
    181,074.38x = 249,880.79 × 100,502.60
  4. Step 4: Simplify right side
    181,074.38x = 25,113,667,333.14
  5. Step 5: Solve for x
    x = 25,113,667,333.14/181,074.38
  6. Step 6: Final answer
    x = 138,692.55

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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.