Home / 148,124.70-204,411.06-80,141.67

Finding the Fourth Proportional to 148,124.70, 204,411.06 and 80,141.67

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Solution

The fourth proportional to 148,124.70, 204,411.06 and 80,141.67 is: 110,594.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,124.70 : 204,411.06 = 80,141.67 : x
  2. Step 2: Convert to fraction form
    148,124.70/204,411.06 = 80,141.67/x
  3. Step 3: Cross multiply
    148,124.70x = 204,411.06 × 80,141.67
  4. Step 4: Simplify right side
    148,124.70x = 16,381,843,714.87
  5. Step 5: Solve for x
    x = 16,381,843,714.87/148,124.70
  6. Step 6: Final answer
    x = 110,594.95

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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.