Home / 223,907.28-309,003.48-127,117.92

Finding the Fourth Proportional to 223,907.28, 309,003.48 and 127,117.92

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Solution

The fourth proportional to 223,907.28, 309,003.48 and 127,117.92 is: 175,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,907.28 : 309,003.48 = 127,117.92 : x
  2. Step 2: Convert to fraction form
    223,907.28/309,003.48 = 127,117.92/x
  3. Step 3: Cross multiply
    223,907.28x = 309,003.48 × 127,117.92
  4. Step 4: Simplify right side
    223,907.28x = 39,279,879,650.36
  5. Step 5: Solve for x
    x = 39,279,879,650.36/223,907.28
  6. Step 6: Final answer
    x = 175,429.22

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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.