Home / 119,784.48-179,381.40-75,300.92

Finding the Fourth Proportional to 119,784.48, 179,381.40 and 75,300.92

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Solution

The fourth proportional to 119,784.48, 179,381.40 and 75,300.92 is: 112,765.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,784.48 : 179,381.40 = 75,300.92 : x
  2. Step 2: Convert to fraction form
    119,784.48/179,381.40 = 75,300.92/x
  3. Step 3: Cross multiply
    119,784.48x = 179,381.40 × 75,300.92
  4. Step 4: Simplify right side
    119,784.48x = 13,507,584,450.89
  5. Step 5: Solve for x
    x = 13,507,584,450.89/119,784.48
  6. Step 6: Final answer
    x = 112,765.73

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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.