Home / 260,260.07-359,156.42-145,537.40

Finding the Fourth Proportional to 260,260.07, 359,156.42 and 145,537.40

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Solution

The fourth proportional to 260,260.07, 359,156.42 and 145,537.40 is: 200,840.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,260.07 : 359,156.42 = 145,537.40 : x
  2. Step 2: Convert to fraction form
    260,260.07/359,156.42 = 145,537.40/x
  3. Step 3: Cross multiply
    260,260.07x = 359,156.42 × 145,537.40
  4. Step 4: Simplify right side
    260,260.07x = 52,270,692,821.84
  5. Step 5: Solve for x
    x = 52,270,692,821.84/260,260.07
  6. Step 6: Final answer
    x = 200,840.23

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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.