Home / 185,002.28-255,303.80-100,119.32

Finding the Fourth Proportional to 185,002.28, 255,303.80 and 100,119.32

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Solution

The fourth proportional to 185,002.28, 255,303.80 and 100,119.32 is: 138,165.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,002.28 : 255,303.80 = 100,119.32 : x
  2. Step 2: Convert to fraction form
    185,002.28/255,303.80 = 100,119.32/x
  3. Step 3: Cross multiply
    185,002.28x = 255,303.80 × 100,119.32
  4. Step 4: Simplify right side
    185,002.28x = 25,560,842,849.42
  5. Step 5: Solve for x
    x = 25,560,842,849.42/185,002.28
  6. Step 6: Final answer
    x = 138,165.02

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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.