Home / 139,408.14-208,994.67-60,462.93

Finding the Fourth Proportional to 139,408.14, 208,994.67 and 60,462.93

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Solution

The fourth proportional to 139,408.14, 208,994.67 and 60,462.93 is: 90,643.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,408.14 : 208,994.67 = 60,462.93 : x
  2. Step 2: Convert to fraction form
    139,408.14/208,994.67 = 60,462.93/x
  3. Step 3: Cross multiply
    139,408.14x = 208,994.67 × 60,462.93
  4. Step 4: Simplify right side
    139,408.14x = 12,636,430,102.58
  5. Step 5: Solve for x
    x = 12,636,430,102.58/139,408.14
  6. Step 6: Final answer
    x = 90,643.42

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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.