Home / 220,718.24-304,570.08-123,899.92

Finding the Fourth Proportional to 220,718.24, 304,570.08 and 123,899.92

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Solution

The fourth proportional to 220,718.24, 304,570.08 and 123,899.92 is: 170,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,718.24 : 304,570.08 = 123,899.92 : x
  2. Step 2: Convert to fraction form
    220,718.24/304,570.08 = 123,899.92/x
  3. Step 3: Cross multiply
    220,718.24x = 304,570.08 × 123,899.92
  4. Step 4: Simplify right side
    220,718.24x = 37,736,208,546.39
  5. Step 5: Solve for x
    x = 37,736,208,546.39/220,718.24
  6. Step 6: Final answer
    x = 170,970.05

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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.