Home / 140,303.89-193,606.67-79,060.05

Finding the Fourth Proportional to 140,303.89, 193,606.67 and 79,060.05

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Solution

The fourth proportional to 140,303.89, 193,606.67 and 79,060.05 is: 109,095.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,303.89 : 193,606.67 = 79,060.05 : x
  2. Step 2: Convert to fraction form
    140,303.89/193,606.67 = 79,060.05/x
  3. Step 3: Cross multiply
    140,303.89x = 193,606.67 × 79,060.05
  4. Step 4: Simplify right side
    140,303.89x = 15,306,553,277.93
  5. Step 5: Solve for x
    x = 15,306,553,277.93/140,303.89
  6. Step 6: Final answer
    x = 109,095.71

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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.