Home / 208,533.04-312,733.50-75,395.68

Finding the Fourth Proportional to 208,533.04, 312,733.50 and 75,395.68

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Solution

The fourth proportional to 208,533.04, 312,733.50 and 75,395.68 is: 113,069.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,533.04 : 312,733.50 = 75,395.68 : x
  2. Step 2: Convert to fraction form
    208,533.04/312,733.50 = 75,395.68/x
  3. Step 3: Cross multiply
    208,533.04x = 312,733.50 × 75,395.68
  4. Step 4: Simplify right side
    208,533.04x = 23,578,754,891.28
  5. Step 5: Solve for x
    x = 23,578,754,891.28/208,533.04
  6. Step 6: Final answer
    x = 113,069.64

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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.