Home / 98,930.34-136,704.92-72,026.15

Finding the Fourth Proportional to 98,930.34, 136,704.92 and 72,026.15

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Solution

The fourth proportional to 98,930.34, 136,704.92 and 72,026.15 is: 99,527.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,930.34 : 136,704.92 = 72,026.15 : x
  2. Step 2: Convert to fraction form
    98,930.34/136,704.92 = 72,026.15/x
  3. Step 3: Cross multiply
    98,930.34x = 136,704.92 × 72,026.15
  4. Step 4: Simplify right side
    98,930.34x = 9,846,328,030.00
  5. Step 5: Solve for x
    x = 9,846,328,030.00/98,930.34
  6. Step 6: Final answer
    x = 99,527.89

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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.