Home / 219,464.28-302,859.77-122,668.01

Finding the Fourth Proportional to 219,464.28, 302,859.77 and 122,668.01

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Solution

The fourth proportional to 219,464.28, 302,859.77 and 122,668.01 is: 169,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,464.28 : 302,859.77 = 122,668.01 : x
  2. Step 2: Convert to fraction form
    219,464.28/302,859.77 = 122,668.01/x
  3. Step 3: Cross multiply
    219,464.28x = 302,859.77 × 122,668.01
  4. Step 4: Simplify right side
    219,464.28x = 37,151,203,780.66
  5. Step 5: Solve for x
    x = 37,151,203,780.66/219,464.28
  6. Step 6: Final answer
    x = 169,281.32

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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.