Home / 223,285.52-308,090.58-142,651.10

Finding the Fourth Proportional to 223,285.52, 308,090.58 and 142,651.10

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Solution

The fourth proportional to 223,285.52, 308,090.58 and 142,651.10 is: 196,830.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,285.52 : 308,090.58 = 142,651.10 : x
  2. Step 2: Convert to fraction form
    223,285.52/308,090.58 = 142,651.10/x
  3. Step 3: Cross multiply
    223,285.52x = 308,090.58 × 142,651.10
  4. Step 4: Simplify right side
    223,285.52x = 43,949,460,136.64
  5. Step 5: Solve for x
    x = 43,949,460,136.64/223,285.52
  6. Step 6: Final answer
    x = 196,830.77

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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.