Home / 147,115.31-203,023.06-83,462.67

Finding the Fourth Proportional to 147,115.31, 203,023.06 and 83,462.67

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Solution

The fourth proportional to 147,115.31, 203,023.06 and 83,462.67 is: 115,180.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,115.31 : 203,023.06 = 83,462.67 : x
  2. Step 2: Convert to fraction form
    147,115.31/203,023.06 = 83,462.67/x
  3. Step 3: Cross multiply
    147,115.31x = 203,023.06 × 83,462.67
  4. Step 4: Simplify right side
    147,115.31x = 16,944,846,450.51
  5. Step 5: Solve for x
    x = 16,944,846,450.51/147,115.31
  6. Step 6: Final answer
    x = 115,180.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.