Home / 185,288.04-255,697.61-100,405.10

Finding the Fourth Proportional to 185,288.04, 255,697.61 and 100,405.10

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Solution

The fourth proportional to 185,288.04, 255,697.61 and 100,405.10 is: 138,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,288.04 : 255,697.61 = 100,405.10 : x
  2. Step 2: Convert to fraction form
    185,288.04/255,697.61 = 100,405.10/x
  3. Step 3: Cross multiply
    185,288.04x = 255,697.61 × 100,405.10
  4. Step 4: Simplify right side
    185,288.04x = 25,673,342,823.32
  5. Step 5: Solve for x
    x = 25,673,342,823.32/185,288.04
  6. Step 6: Final answer
    x = 138,559.10

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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.