Home / 202,575.28-279,530-111,925.84

Finding the Fourth Proportional to 202,575.28, 279,530 and 111,925.84

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Solution

The fourth proportional to 202,575.28, 279,530 and 111,925.84 is: 154,444.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,575.28 : 279,530 = 111,925.84 : x
  2. Step 2: Convert to fraction form
    202,575.28/279,530 = 111,925.84/x
  3. Step 3: Cross multiply
    202,575.28x = 279,530 × 111,925.84
  4. Step 4: Simplify right side
    202,575.28x = 31,286,630,055.20
  5. Step 5: Solve for x
    x = 31,286,630,055.20/202,575.28
  6. Step 6: Final answer
    x = 154,444.46

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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.