Home / 199,259.79-274,968.48-113,207.50

Finding the Fourth Proportional to 199,259.79, 274,968.48 and 113,207.50

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Solution

The fourth proportional to 199,259.79, 274,968.48 and 113,207.50 is: 156,220.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,259.79 : 274,968.48 = 113,207.50 : x
  2. Step 2: Convert to fraction form
    199,259.79/274,968.48 = 113,207.50/x
  3. Step 3: Cross multiply
    199,259.79x = 274,968.48 × 113,207.50
  4. Step 4: Simplify right side
    199,259.79x = 31,128,494,199.60
  5. Step 5: Solve for x
    x = 31,128,494,199.60/199,259.79
  6. Step 6: Final answer
    x = 156,220.65

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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.