Home / 245,117.15-367,676.01-76,638.37

Finding the Fourth Proportional to 245,117.15, 367,676.01 and 76,638.37

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Solution

The fourth proportional to 245,117.15, 367,676.01 and 76,638.37 is: 114,957.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,117.15 : 367,676.01 = 76,638.37 : x
  2. Step 2: Convert to fraction form
    245,117.15/367,676.01 = 76,638.37/x
  3. Step 3: Cross multiply
    245,117.15x = 367,676.01 × 76,638.37
  4. Step 4: Simplify right side
    245,117.15x = 28,178,088,256.12
  5. Step 5: Solve for x
    x = 28,178,088,256.12/245,117.15
  6. Step 6: Final answer
    x = 114,957.64

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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.