Home / 201,877.10-302,816.80-52,107.15

Finding the Fourth Proportional to 201,877.10, 302,816.80 and 52,107.15

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Solution

The fourth proportional to 201,877.10, 302,816.80 and 52,107.15 is: 78,161.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,877.10 : 302,816.80 = 52,107.15 : x
  2. Step 2: Convert to fraction form
    201,877.10/302,816.80 = 52,107.15/x
  3. Step 3: Cross multiply
    201,877.10x = 302,816.80 × 52,107.15
  4. Step 4: Simplify right side
    201,877.10x = 15,778,920,420.12
  5. Step 5: Solve for x
    x = 15,778,920,420.12/201,877.10
  6. Step 6: Final answer
    x = 78,161.02

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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.