Home / 213,430.23-320,141.67-63,670.95

Finding the Fourth Proportional to 213,430.23, 320,141.67 and 63,670.95

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Solution

The fourth proportional to 213,430.23, 320,141.67 and 63,670.95 is: 95,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,430.23 : 320,141.67 = 63,670.95 : x
  2. Step 2: Convert to fraction form
    213,430.23/320,141.67 = 63,670.95/x
  3. Step 3: Cross multiply
    213,430.23x = 320,141.67 × 63,670.95
  4. Step 4: Simplify right side
    213,430.23x = 20,383,724,263.49
  5. Step 5: Solve for x
    x = 20,383,724,263.49/213,430.23
  6. Step 6: Final answer
    x = 95,505.33

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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.