Home / 201,899.70-302,849.55-122,973.30

Finding the Fourth Proportional to 201,899.70, 302,849.55 and 122,973.30

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Solution

The fourth proportional to 201,899.70, 302,849.55 and 122,973.30 is: 184,459.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,899.70 : 302,849.55 = 122,973.30 : x
  2. Step 2: Convert to fraction form
    201,899.70/302,849.55 = 122,973.30/x
  3. Step 3: Cross multiply
    201,899.70x = 302,849.55 × 122,973.30
  4. Step 4: Simplify right side
    201,899.70x = 37,242,408,567.02
  5. Step 5: Solve for x
    x = 37,242,408,567.02/201,899.70
  6. Step 6: Final answer
    x = 184,459.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.