Home / 148,053.42-204,318.63-80,985.42

Finding the Fourth Proportional to 148,053.42, 204,318.63 and 80,985.42

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Solution

The fourth proportional to 148,053.42, 204,318.63 and 80,985.42 is: 111,762.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,053.42 : 204,318.63 = 80,985.42 : x
  2. Step 2: Convert to fraction form
    148,053.42/204,318.63 = 80,985.42/x
  3. Step 3: Cross multiply
    148,053.42x = 204,318.63 × 80,985.42
  4. Step 4: Simplify right side
    148,053.42x = 16,546,830,064.37
  5. Step 5: Solve for x
    x = 16,546,830,064.37/148,053.42
  6. Step 6: Final answer
    x = 111,762.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.