Home / 208,727.81-288,044.42-118,081.90

Finding the Fourth Proportional to 208,727.81, 288,044.42 and 118,081.90

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Solution

The fourth proportional to 208,727.81, 288,044.42 and 118,081.90 is: 162,953.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,727.81 : 288,044.42 = 118,081.90 : x
  2. Step 2: Convert to fraction form
    208,727.81/288,044.42 = 118,081.90/x
  3. Step 3: Cross multiply
    208,727.81x = 288,044.42 × 118,081.90
  4. Step 4: Simplify right side
    208,727.81x = 34,012,832,333.70
  5. Step 5: Solve for x
    x = 34,012,832,333.70/208,727.81
  6. Step 6: Final answer
    x = 162,953.04

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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.