Home / 248,108.67-342,379.53-140,685.93

Finding the Fourth Proportional to 248,108.67, 342,379.53 and 140,685.93

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Solution

The fourth proportional to 248,108.67, 342,379.53 and 140,685.93 is: 194,140.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,108.67 : 342,379.53 = 140,685.93 : x
  2. Step 2: Convert to fraction form
    248,108.67/342,379.53 = 140,685.93/x
  3. Step 3: Cross multiply
    248,108.67x = 342,379.53 × 140,685.93
  4. Step 4: Simplify right side
    248,108.67x = 48,167,982,591.01
  5. Step 5: Solve for x
    x = 48,167,982,591.01/248,108.67
  6. Step 6: Final answer
    x = 194,140.67

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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.