Home / 123,799.08-185,676.66-56,315.40

Finding the Fourth Proportional to 123,799.08, 185,676.66 and 56,315.40

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Solution

The fourth proportional to 123,799.08, 185,676.66 and 56,315.40 is: 84,463.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,799.08 : 185,676.66 = 56,315.40 : x
  2. Step 2: Convert to fraction form
    123,799.08/185,676.66 = 56,315.40/x
  3. Step 3: Cross multiply
    123,799.08x = 185,676.66 × 56,315.40
  4. Step 4: Simplify right side
    123,799.08x = 10,456,455,378.56
  5. Step 5: Solve for x
    x = 10,456,455,378.56/123,799.08
  6. Step 6: Final answer
    x = 84,463.11

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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.