Home / 220,322.94-304,020.98-124,809.18

Finding the Fourth Proportional to 220,322.94, 304,020.98 and 124,809.18

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Solution

The fourth proportional to 220,322.94, 304,020.98 and 124,809.18 is: 172,222.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,322.94 : 304,020.98 = 124,809.18 : x
  2. Step 2: Convert to fraction form
    220,322.94/304,020.98 = 124,809.18/x
  3. Step 3: Cross multiply
    220,322.94x = 304,020.98 × 124,809.18
  4. Step 4: Simplify right side
    220,322.94x = 37,944,609,216.60
  5. Step 5: Solve for x
    x = 37,944,609,216.60/220,322.94
  6. Step 6: Final answer
    x = 172,222.69

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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.