Home / 208,533.51-312,752.30-124,317.45

Finding the Fourth Proportional to 208,533.51, 312,752.30 and 124,317.45

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Solution

The fourth proportional to 208,533.51, 312,752.30 and 124,317.45 is: 186,447.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,533.51 : 312,752.30 = 124,317.45 : x
  2. Step 2: Convert to fraction form
    208,533.51/312,752.30 = 124,317.45/x
  3. Step 3: Cross multiply
    208,533.51x = 312,752.30 × 124,317.45
  4. Step 4: Simplify right side
    208,533.51x = 38,880,567,796.05
  5. Step 5: Solve for x
    x = 38,880,567,796.05/208,533.51
  6. Step 6: Final answer
    x = 186,447.58

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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.