Home / 199,258.79-274,967.10-113,206.50

Finding the Fourth Proportional to 199,258.79, 274,967.10 and 113,206.50

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Solution

The fourth proportional to 199,258.79, 274,967.10 and 113,206.50 is: 156,219.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,258.79 : 274,967.10 = 113,206.50 : x
  2. Step 2: Convert to fraction form
    199,258.79/274,967.10 = 113,206.50/x
  3. Step 3: Cross multiply
    199,258.79x = 274,967.10 × 113,206.50
  4. Step 4: Simplify right side
    199,258.79x = 31,128,063,006.15
  5. Step 5: Solve for x
    x = 31,128,063,006.15/199,258.79
  6. Step 6: Final answer
    x = 156,219.28

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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.