Home / 208,936.86-288,317.12-118,272.04

Finding the Fourth Proportional to 208,936.86, 288,317.12 and 118,272.04

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Solution

The fourth proportional to 208,936.86, 288,317.12 and 118,272.04 is: 163,206.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,936.86 : 288,317.12 = 118,272.04 : x
  2. Step 2: Convert to fraction form
    208,936.86/288,317.12 = 118,272.04/x
  3. Step 3: Cross multiply
    208,936.86x = 288,317.12 × 118,272.04
  4. Step 4: Simplify right side
    208,936.86x = 34,099,852,637.17
  5. Step 5: Solve for x
    x = 34,099,852,637.17/208,936.86
  6. Step 6: Final answer
    x = 163,206.50

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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.