Home / 199,929.02-275,902.03-109,285.35

Finding the Fourth Proportional to 199,929.02, 275,902.03 and 109,285.35

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Solution

The fourth proportional to 199,929.02, 275,902.03 and 109,285.35 is: 150,813.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,929.02 : 275,902.03 = 109,285.35 : x
  2. Step 2: Convert to fraction form
    199,929.02/275,902.03 = 109,285.35/x
  3. Step 3: Cross multiply
    199,929.02x = 275,902.03 × 109,285.35
  4. Step 4: Simplify right side
    199,929.02x = 30,152,047,988.32
  5. Step 5: Solve for x
    x = 30,152,047,988.32/199,929.02
  6. Step 6: Final answer
    x = 150,813.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.