Home / 213,935.04-320,910-101,557.37

Finding the Fourth Proportional to 213,935.04, 320,910 and 101,557.37

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Solution

The fourth proportional to 213,935.04, 320,910 and 101,557.37 is: 152,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,935.04 : 320,910 = 101,557.37 : x
  2. Step 2: Convert to fraction form
    213,935.04/320,910 = 101,557.37/x
  3. Step 3: Cross multiply
    213,935.04x = 320,910 × 101,557.37
  4. Step 4: Simplify right side
    213,935.04x = 32,590,775,606.70
  5. Step 5: Solve for x
    x = 32,590,775,606.70/213,935.04
  6. Step 6: Final answer
    x = 152,339.59

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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.