Home / 245,117.16-367,676.01-76,638.36

Finding the Fourth Proportional to 245,117.16, 367,676.01 and 76,638.36

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Solution

The fourth proportional to 245,117.16, 367,676.01 and 76,638.36 is: 114,957.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,117.16 : 367,676.01 = 76,638.36 : x
  2. Step 2: Convert to fraction form
    245,117.16/367,676.01 = 76,638.36/x
  3. Step 3: Cross multiply
    245,117.16x = 367,676.01 × 76,638.36
  4. Step 4: Simplify right side
    245,117.16x = 28,178,086,417.74
  5. Step 5: Solve for x
    x = 28,178,086,417.74/245,117.16
  6. Step 6: Final answer
    x = 114,957.62

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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.