Home / 208,582.53-287,846.10-122,545.11

Finding the Fourth Proportional to 208,582.53, 287,846.10 and 122,545.11

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Solution

The fourth proportional to 208,582.53, 287,846.10 and 122,545.11 is: 169,113.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,582.53 : 287,846.10 = 122,545.11 : x
  2. Step 2: Convert to fraction form
    208,582.53/287,846.10 = 122,545.11/x
  3. Step 3: Cross multiply
    208,582.53x = 287,846.10 × 122,545.11
  4. Step 4: Simplify right side
    208,582.53x = 35,274,131,987.57
  5. Step 5: Solve for x
    x = 35,274,131,987.57/208,582.53
  6. Step 6: Final answer
    x = 169,113.55

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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.