Home / 199,090.61-298,455.44-99,281.40

Finding the Fourth Proportional to 199,090.61, 298,455.44 and 99,281.40

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Solution

The fourth proportional to 199,090.61, 298,455.44 and 99,281.40 is: 148,832.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,090.61 : 298,455.44 = 99,281.40 : x
  2. Step 2: Convert to fraction form
    199,090.61/298,455.44 = 99,281.40/x
  3. Step 3: Cross multiply
    199,090.61x = 298,455.44 × 99,281.40
  4. Step 4: Simplify right side
    199,090.61x = 29,631,072,305.20
  5. Step 5: Solve for x
    x = 29,631,072,305.20/199,090.61
  6. Step 6: Final answer
    x = 148,832.09

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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.