Home / 213,535.56-320,303.40-55,762.65

Finding the Fourth Proportional to 213,535.56, 320,303.40 and 55,762.65

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Solution

The fourth proportional to 213,535.56, 320,303.40 and 55,762.65 is: 83,643.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,535.56 : 320,303.40 = 55,762.65 : x
  2. Step 2: Convert to fraction form
    213,535.56/320,303.40 = 55,762.65/x
  3. Step 3: Cross multiply
    213,535.56x = 320,303.40 × 55,762.65
  4. Step 4: Simplify right side
    213,535.56x = 17,860,966,388.01
  5. Step 5: Solve for x
    x = 17,860,966,388.01/213,535.56
  6. Step 6: Final answer
    x = 83,643.99

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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.