Home / 148,849.56-205,411.68-80,866.08

Finding the Fourth Proportional to 148,849.56, 205,411.68 and 80,866.08

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Solution

The fourth proportional to 148,849.56, 205,411.68 and 80,866.08 is: 111,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,849.56 : 205,411.68 = 80,866.08 : x
  2. Step 2: Convert to fraction form
    148,849.56/205,411.68 = 80,866.08/x
  3. Step 3: Cross multiply
    148,849.56x = 205,411.68 × 80,866.08
  4. Step 4: Simplify right side
    148,849.56x = 16,610,837,347.81
  5. Step 5: Solve for x
    x = 16,610,837,347.81/148,849.56
  6. Step 6: Final answer
    x = 111,594.80

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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.