Home / 219,077.36-302,324.44-123,615.12

Finding the Fourth Proportional to 219,077.36, 302,324.44 and 123,615.12

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Solution

The fourth proportional to 219,077.36, 302,324.44 and 123,615.12 is: 170,587.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,077.36 : 302,324.44 = 123,615.12 : x
  2. Step 2: Convert to fraction form
    219,077.36/302,324.44 = 123,615.12/x
  3. Step 3: Cross multiply
    219,077.36x = 302,324.44 × 123,615.12
  4. Step 4: Simplify right side
    219,077.36x = 37,371,871,929.53
  5. Step 5: Solve for x
    x = 37,371,871,929.53/219,077.36
  6. Step 6: Final answer
    x = 170,587.56

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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.