Home / 219,027.51-302,239.80-123,557.67

Finding the Fourth Proportional to 219,027.51, 302,239.80 and 123,557.67

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Solution

The fourth proportional to 219,027.51, 302,239.80 and 123,557.67 is: 170,499.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,027.51 : 302,239.80 = 123,557.67 : x
  2. Step 2: Convert to fraction form
    219,027.51/302,239.80 = 123,557.67/x
  3. Step 3: Cross multiply
    219,027.51x = 302,239.80 × 123,557.67
  4. Step 4: Simplify right side
    219,027.51x = 37,344,045,469.27
  5. Step 5: Solve for x
    x = 37,344,045,469.27/219,027.51
  6. Step 6: Final answer
    x = 170,499.34

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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.