Home / 137,501.12-206,443.24-70,989.18

Finding the Fourth Proportional to 137,501.12, 206,443.24 and 70,989.18

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Solution

The fourth proportional to 137,501.12, 206,443.24 and 70,989.18 is: 106,582.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,501.12 : 206,443.24 = 70,989.18 : x
  2. Step 2: Convert to fraction form
    137,501.12/206,443.24 = 70,989.18/x
  3. Step 3: Cross multiply
    137,501.12x = 206,443.24 × 70,989.18
  4. Step 4: Simplify right side
    137,501.12x = 14,655,236,324.14
  5. Step 5: Solve for x
    x = 14,655,236,324.14/137,501.12
  6. Step 6: Final answer
    x = 106,582.67

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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.