Home / 219,383.28-302,737.68-122,569.92

Finding the Fourth Proportional to 219,383.28, 302,737.68 and 122,569.92

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Solution

The fourth proportional to 219,383.28, 302,737.68 and 122,569.92 is: 169,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,383.28 : 302,737.68 = 122,569.92 : x
  2. Step 2: Convert to fraction form
    219,383.28/302,737.68 = 122,569.92/x
  3. Step 3: Cross multiply
    219,383.28x = 302,737.68 × 122,569.92
  4. Step 4: Simplify right side
    219,383.28x = 37,106,533,218.59
  5. Step 5: Solve for x
    x = 37,106,533,218.59/219,383.28
  6. Step 6: Final answer
    x = 169,140.21

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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.