Home / 123,467.10-185,200.65-118,628.70

Finding the Fourth Proportional to 123,467.10, 185,200.65 and 118,628.70

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Solution

The fourth proportional to 123,467.10, 185,200.65 and 118,628.70 is: 177,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,467.10 : 185,200.65 = 118,628.70 : x
  2. Step 2: Convert to fraction form
    123,467.10/185,200.65 = 118,628.70/x
  3. Step 3: Cross multiply
    123,467.10x = 185,200.65 × 118,628.70
  4. Step 4: Simplify right side
    123,467.10x = 21,970,112,348.66
  5. Step 5: Solve for x
    x = 21,970,112,348.66/123,467.10
  6. Step 6: Final answer
    x = 177,943.05

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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.