Home / 224,293.74-309,514.95-128,733.18

Finding the Fourth Proportional to 224,293.74, 309,514.95 and 128,733.18

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Solution

The fourth proportional to 224,293.74, 309,514.95 and 128,733.18 is: 177,645.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,293.74 : 309,514.95 = 128,733.18 : x
  2. Step 2: Convert to fraction form
    224,293.74/309,514.95 = 128,733.18/x
  3. Step 3: Cross multiply
    224,293.74x = 309,514.95 × 128,733.18
  4. Step 4: Simplify right side
    224,293.74x = 39,844,843,771.04
  5. Step 5: Solve for x
    x = 39,844,843,771.04/224,293.74
  6. Step 6: Final answer
    x = 177,645.81

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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.