Home / 119,830.94-179,746.42-40,945.86

Finding the Fourth Proportional to 119,830.94, 179,746.42 and 40,945.86

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Solution

The fourth proportional to 119,830.94, 179,746.42 and 40,945.86 is: 61,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,830.94 : 179,746.42 = 40,945.86 : x
  2. Step 2: Convert to fraction form
    119,830.94/179,746.42 = 40,945.86/x
  3. Step 3: Cross multiply
    119,830.94x = 179,746.42 × 40,945.86
  4. Step 4: Simplify right side
    119,830.94x = 7,359,871,748.82
  5. Step 5: Solve for x
    x = 7,359,871,748.82/119,830.94
  6. Step 6: Final answer
    x = 61,418.79

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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.