Home / 213,549.96-320,518.98-113,795.40

Finding the Fourth Proportional to 213,549.96, 320,518.98 and 113,795.40

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Solution

The fourth proportional to 213,549.96, 320,518.98 and 113,795.40 is: 170,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,549.96 : 320,518.98 = 113,795.40 : x
  2. Step 2: Convert to fraction form
    213,549.96/320,518.98 = 113,795.40/x
  3. Step 3: Cross multiply
    213,549.96x = 320,518.98 × 113,795.40
  4. Step 4: Simplify right side
    213,549.96x = 36,473,585,536.69
  5. Step 5: Solve for x
    x = 36,473,585,536.69/213,549.96
  6. Step 6: Final answer
    x = 170,796.50

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1.5x scale

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.