Home / 107,119.80-147,827.70-61,799.49

Finding the Fourth Proportional to 107,119.80, 147,827.70 and 61,799.49

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Solution

The fourth proportional to 107,119.80, 147,827.70 and 61,799.49 is: 85,284.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,119.80 : 147,827.70 = 61,799.49 : x
  2. Step 2: Convert to fraction form
    107,119.80/147,827.70 = 61,799.49/x
  3. Step 3: Cross multiply
    107,119.80x = 147,827.70 × 61,799.49
  4. Step 4: Simplify right side
    107,119.80x = 9,135,676,467.87
  5. Step 5: Solve for x
    x = 9,135,676,467.87/107,119.80
  6. Step 6: Final answer
    x = 85,284.67

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1.5x scale

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.