Home / 202,370.28-279,271.06-111,726.32

Finding the Fourth Proportional to 202,370.28, 279,271.06 and 111,726.32

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Solution

The fourth proportional to 202,370.28, 279,271.06 and 111,726.32 is: 154,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,370.28 : 279,271.06 = 111,726.32 : x
  2. Step 2: Convert to fraction form
    202,370.28/279,271.06 = 111,726.32/x
  3. Step 3: Cross multiply
    202,370.28x = 279,271.06 × 111,726.32
  4. Step 4: Simplify right side
    202,370.28x = 31,201,927,816.30
  5. Step 5: Solve for x
    x = 31,201,927,816.30/202,370.28
  6. Step 6: Final answer
    x = 154,182.36

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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.