Home / 245,902.40-339,336.17-137,004.18

Finding the Fourth Proportional to 245,902.40, 339,336.17 and 137,004.18

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Solution

The fourth proportional to 245,902.40, 339,336.17 and 137,004.18 is: 189,060.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,902.40 : 339,336.17 = 137,004.18 : x
  2. Step 2: Convert to fraction form
    245,902.40/339,336.17 = 137,004.18/x
  3. Step 3: Cross multiply
    245,902.40x = 339,336.17 × 137,004.18
  4. Step 4: Simplify right side
    245,902.40x = 46,490,472,271.42
  5. Step 5: Solve for x
    x = 46,490,472,271.42/245,902.40
  6. Step 6: Final answer
    x = 189,060.67

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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.