Home / 185,206.13-255,585.69-100,323.20

Finding the Fourth Proportional to 185,206.13, 255,585.69 and 100,323.20

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Solution

The fourth proportional to 185,206.13, 255,585.69 and 100,323.20 is: 138,446.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,206.13 : 255,585.69 = 100,323.20 : x
  2. Step 2: Convert to fraction form
    185,206.13/255,585.69 = 100,323.20/x
  3. Step 3: Cross multiply
    185,206.13x = 255,585.69 × 100,323.20
  4. Step 4: Simplify right side
    185,206.13x = 25,641,173,017.08
  5. Step 5: Solve for x
    x = 25,641,173,017.08/185,206.13
  6. Step 6: Final answer
    x = 138,446.67

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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.