Home / 102,127.07-140,930.81-59,099.67

Finding the Fourth Proportional to 102,127.07, 140,930.81 and 59,099.67

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Solution

The fourth proportional to 102,127.07, 140,930.81 and 59,099.67 is: 81,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,127.07 : 140,930.81 = 59,099.67 : x
  2. Step 2: Convert to fraction form
    102,127.07/140,930.81 = 59,099.67/x
  3. Step 3: Cross multiply
    102,127.07x = 140,930.81 × 59,099.67
  4. Step 4: Simplify right side
    102,127.07x = 8,328,964,363.83
  5. Step 5: Solve for x
    x = 8,328,964,363.83/102,127.07
  6. Step 6: Final answer
    x = 81,554.91

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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.