Home / 138,046.24-207,038.58-53,808.67

Finding the Fourth Proportional to 138,046.24, 207,038.58 and 53,808.67

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Solution

The fourth proportional to 138,046.24, 207,038.58 and 53,808.67 is: 80,701.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,046.24 : 207,038.58 = 53,808.67 : x
  2. Step 2: Convert to fraction form
    138,046.24/207,038.58 = 53,808.67/x
  3. Step 3: Cross multiply
    138,046.24x = 207,038.58 × 53,808.67
  4. Step 4: Simplify right side
    138,046.24x = 11,140,470,628.49
  5. Step 5: Solve for x
    x = 11,140,470,628.49/138,046.24
  6. Step 6: Final answer
    x = 80,701.01

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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.