Home / 219,210.15-302,503.89-123,725.73

Finding the Fourth Proportional to 219,210.15, 302,503.89 and 123,725.73

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Solution

The fourth proportional to 219,210.15, 302,503.89 and 123,725.73 is: 170,738.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,210.15 : 302,503.89 = 123,725.73 : x
  2. Step 2: Convert to fraction form
    219,210.15/302,503.89 = 123,725.73/x
  3. Step 3: Cross multiply
    219,210.15x = 302,503.89 × 123,725.73
  4. Step 4: Simplify right side
    219,210.15x = 37,427,514,618.09
  5. Step 5: Solve for x
    x = 37,427,514,618.09/219,210.15
  6. Step 6: Final answer
    x = 170,738.05

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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.