Home / 208,289.44-287,439.06-112,795.84

Finding the Fourth Proportional to 208,289.44, 287,439.06 and 112,795.84

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Solution

The fourth proportional to 208,289.44, 287,439.06 and 112,795.84 is: 155,658.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,289.44 : 287,439.06 = 112,795.84 : x
  2. Step 2: Convert to fraction form
    208,289.44/287,439.06 = 112,795.84/x
  3. Step 3: Cross multiply
    208,289.44x = 287,439.06 × 112,795.84
  4. Step 4: Simplify right side
    208,289.44x = 32,421,930,221.51
  5. Step 5: Solve for x
    x = 32,421,930,221.51/208,289.44
  6. Step 6: Final answer
    x = 155,658.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.