Home / 131,890.48-197,628.23-101,977.79

Finding the Fourth Proportional to 131,890.48, 197,628.23 and 101,977.79

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Solution

The fourth proportional to 131,890.48, 197,628.23 and 101,977.79 is: 152,806.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,890.48 : 197,628.23 = 101,977.79 : x
  2. Step 2: Convert to fraction form
    131,890.48/197,628.23 = 101,977.79/x
  3. Step 3: Cross multiply
    131,890.48x = 197,628.23 × 101,977.79
  4. Step 4: Simplify right side
    131,890.48x = 20,153,689,403.82
  5. Step 5: Solve for x
    x = 20,153,689,403.82/131,890.48
  6. Step 6: Final answer
    x = 152,806.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.