Home / 260,623.23-359,693.94-145,945.54

Finding the Fourth Proportional to 260,623.23, 359,693.94 and 145,945.54

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Solution

The fourth proportional to 260,623.23, 359,693.94 and 145,945.54 is: 201,423.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,623.23 : 359,693.94 = 145,945.54 : x
  2. Step 2: Convert to fraction form
    260,623.23/359,693.94 = 145,945.54/x
  3. Step 3: Cross multiply
    260,623.23x = 359,693.94 × 145,945.54
  4. Step 4: Simplify right side
    260,623.23x = 52,495,726,308.03
  5. Step 5: Solve for x
    x = 52,495,726,308.03/260,623.23
  6. Step 6: Final answer
    x = 201,423.82

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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.