Home / 139,412.20-209,000.73-60,466.97

Finding the Fourth Proportional to 139,412.20, 209,000.73 and 60,466.97

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Solution

The fourth proportional to 139,412.20, 209,000.73 and 60,466.97 is: 90,649.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,412.20 : 209,000.73 = 60,466.97 : x
  2. Step 2: Convert to fraction form
    139,412.20/209,000.73 = 60,466.97/x
  3. Step 3: Cross multiply
    139,412.20x = 209,000.73 × 60,466.97
  4. Step 4: Simplify right side
    139,412.20x = 12,637,640,870.89
  5. Step 5: Solve for x
    x = 12,637,640,870.89/139,412.20
  6. Step 6: Final answer
    x = 90,649.46

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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.