Home / 255,339.06-382,947.08-113,105.70

Finding the Fourth Proportional to 255,339.06, 382,947.08 and 113,105.70

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Solution

The fourth proportional to 255,339.06, 382,947.08 and 113,105.70 is: 169,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,339.06 : 382,947.08 = 113,105.70 : x
  2. Step 2: Convert to fraction form
    255,339.06/382,947.08 = 113,105.70/x
  3. Step 3: Cross multiply
    255,339.06x = 382,947.08 × 113,105.70
  4. Step 4: Simplify right side
    255,339.06x = 43,313,495,631.62
  5. Step 5: Solve for x
    x = 43,313,495,631.62/255,339.06
  6. Step 6: Final answer
    x = 169,631.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.