Home / 139,411.49-208,999.67-60,466.28

Finding the Fourth Proportional to 139,411.49, 208,999.67 and 60,466.28

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Solution

The fourth proportional to 139,411.49, 208,999.67 and 60,466.28 is: 90,648.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,411.49 : 208,999.67 = 60,466.28 : x
  2. Step 2: Convert to fraction form
    139,411.49/208,999.67 = 60,466.28/x
  3. Step 3: Cross multiply
    139,411.49x = 208,999.67 × 60,466.28
  4. Step 4: Simplify right side
    139,411.49x = 12,637,431,218.80
  5. Step 5: Solve for x
    x = 12,637,431,218.80/139,411.49
  6. Step 6: Final answer
    x = 90,648.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.