Home / 208,569.36-287,827.80-113,075.84

Finding the Fourth Proportional to 208,569.36, 287,827.80 and 113,075.84

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Solution

The fourth proportional to 208,569.36, 287,827.80 and 113,075.84 is: 156,045.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,569.36 : 287,827.80 = 113,075.84 : x
  2. Step 2: Convert to fraction form
    208,569.36/287,827.80 = 113,075.84/x
  3. Step 3: Cross multiply
    208,569.36x = 287,827.80 × 113,075.84
  4. Step 4: Simplify right side
    208,569.36x = 32,546,370,260.35
  5. Step 5: Solve for x
    x = 32,546,370,260.35/208,569.36
  6. Step 6: Final answer
    x = 156,045.79

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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.