Home / 201,182.30-302,003.85-118,123.10

Finding the Fourth Proportional to 201,182.30, 302,003.85 and 118,123.10

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Solution

The fourth proportional to 201,182.30, 302,003.85 and 118,123.10 is: 177,319.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,182.30 : 302,003.85 = 118,123.10 : x
  2. Step 2: Convert to fraction form
    201,182.30/302,003.85 = 118,123.10/x
  3. Step 3: Cross multiply
    201,182.30x = 302,003.85 × 118,123.10
  4. Step 4: Simplify right side
    201,182.30x = 35,673,630,973.94
  5. Step 5: Solve for x
    x = 35,673,630,973.94/201,182.30
  6. Step 6: Final answer
    x = 177,319.93

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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.