Home / 139,409.07-208,996.05-60,463.84

Finding the Fourth Proportional to 139,409.07, 208,996.05 and 60,463.84

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Solution

The fourth proportional to 139,409.07, 208,996.05 and 60,463.84 is: 90,644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,409.07 : 208,996.05 = 60,463.84 : x
  2. Step 2: Convert to fraction form
    139,409.07/208,996.05 = 60,463.84/x
  3. Step 3: Cross multiply
    139,409.07x = 208,996.05 × 60,463.84
  4. Step 4: Simplify right side
    139,409.07x = 12,636,703,727.83
  5. Step 5: Solve for x
    x = 12,636,703,727.83/139,409.07
  6. Step 6: Final answer
    x = 90,644.77

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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.