Home / 201,776.10-302,559.05-75,312.33

Finding the Fourth Proportional to 201,776.10, 302,559.05 and 75,312.33

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Solution

The fourth proportional to 201,776.10, 302,559.05 and 75,312.33 is: 112,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,776.10 : 302,559.05 = 75,312.33 : x
  2. Step 2: Convert to fraction form
    201,776.10/302,559.05 = 75,312.33/x
  3. Step 3: Cross multiply
    201,776.10x = 302,559.05 × 75,312.33
  4. Step 4: Simplify right side
    201,776.10x = 22,786,427,350.03
  5. Step 5: Solve for x
    x = 22,786,427,350.03/201,776.10
  6. Step 6: Final answer
    x = 112,929.27

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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.