Home / 140,245.04-193,538.13-76,582.89

Finding the Fourth Proportional to 140,245.04, 193,538.13 and 76,582.89

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Solution

The fourth proportional to 140,245.04, 193,538.13 and 76,582.89 is: 105,684.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,245.04 : 193,538.13 = 76,582.89 : x
  2. Step 2: Convert to fraction form
    140,245.04/193,538.13 = 76,582.89/x
  3. Step 3: Cross multiply
    140,245.04x = 193,538.13 × 76,582.89
  4. Step 4: Simplify right side
    140,245.04x = 14,821,709,320.60
  5. Step 5: Solve for x
    x = 14,821,709,320.60/140,245.04
  6. Step 6: Final answer
    x = 105,684.37

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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.