Home / 219,250.92-302,567.76-128,660.52

Finding the Fourth Proportional to 219,250.92, 302,567.76 and 128,660.52

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Solution

The fourth proportional to 219,250.92, 302,567.76 and 128,660.52 is: 177,552.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,250.92 : 302,567.76 = 128,660.52 : x
  2. Step 2: Convert to fraction form
    219,250.92/302,567.76 = 128,660.52/x
  3. Step 3: Cross multiply
    219,250.92x = 302,567.76 × 128,660.52
  4. Step 4: Simplify right side
    219,250.92x = 38,928,525,336.84
  5. Step 5: Solve for x
    x = 38,928,525,336.84/219,250.92
  6. Step 6: Final answer
    x = 177,552.39

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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.