Home / 119,740.37-179,638.70-40,854.87

Finding the Fourth Proportional to 119,740.37, 179,638.70 and 40,854.87

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Solution

The fourth proportional to 119,740.37, 179,638.70 and 40,854.87 is: 61,291.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,740.37 : 179,638.70 = 40,854.87 : x
  2. Step 2: Convert to fraction form
    119,740.37/179,638.70 = 40,854.87/x
  3. Step 3: Cross multiply
    119,740.37x = 179,638.70 × 40,854.87
  4. Step 4: Simplify right side
    119,740.37x = 7,339,115,531.19
  5. Step 5: Solve for x
    x = 7,339,115,531.19/119,740.37
  6. Step 6: Final answer
    x = 61,291.91

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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.