Home / 139,412.14-209,000.66-60,466.94

Finding the Fourth Proportional to 139,412.14, 209,000.66 and 60,466.94

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Solution

The fourth proportional to 139,412.14, 209,000.66 and 60,466.94 is: 90,649.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,412.14 : 209,000.66 = 60,466.94 : x
  2. Step 2: Convert to fraction form
    139,412.14/209,000.66 = 60,466.94/x
  3. Step 3: Cross multiply
    139,412.14x = 209,000.66 × 60,466.94
  4. Step 4: Simplify right side
    139,412.14x = 12,637,630,368.18
  5. Step 5: Solve for x
    x = 12,637,630,368.18/139,412.14
  6. Step 6: Final answer
    x = 90,649.43

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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.