Home / 201,741.10-302,830.35-126,945.70

Finding the Fourth Proportional to 201,741.10, 302,830.35 and 126,945.70

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Solution

The fourth proportional to 201,741.10, 302,830.35 and 126,945.70 is: 190,556.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,741.10 : 302,830.35 = 126,945.70 : x
  2. Step 2: Convert to fraction form
    201,741.10/302,830.35 = 126,945.70/x
  3. Step 3: Cross multiply
    201,741.10x = 302,830.35 × 126,945.70
  4. Step 4: Simplify right side
    201,741.10x = 38,443,010,762.00
  5. Step 5: Solve for x
    x = 38,443,010,762.00/201,741.10
  6. Step 6: Final answer
    x = 190,556.17

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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.