Home / 138,048.24-207,041.58-53,810.67

Finding the Fourth Proportional to 138,048.24, 207,041.58 and 53,810.67

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Solution

The fourth proportional to 138,048.24, 207,041.58 and 53,810.67 is: 80,704.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,048.24 : 207,041.58 = 53,810.67 : x
  2. Step 2: Convert to fraction form
    138,048.24/207,041.58 = 53,810.67/x
  3. Step 3: Cross multiply
    138,048.24x = 207,041.58 × 53,810.67
  4. Step 4: Simplify right side
    138,048.24x = 11,141,046,137.66
  5. Step 5: Solve for x
    x = 11,141,046,137.66/138,048.24
  6. Step 6: Final answer
    x = 80,704.01

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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.