Home / 260,683.07-359,712.87-145,945.76

Finding the Fourth Proportional to 260,683.07, 359,712.87 and 145,945.76

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Solution

The fourth proportional to 260,683.07, 359,712.87 and 145,945.76 is: 201,388.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,683.07 : 359,712.87 = 145,945.76 : x
  2. Step 2: Convert to fraction form
    260,683.07/359,712.87 = 145,945.76/x
  3. Step 3: Cross multiply
    260,683.07x = 359,712.87 × 145,945.76
  4. Step 4: Simplify right side
    260,683.07x = 52,498,566,395.37
  5. Step 5: Solve for x
    x = 52,498,566,395.37/260,683.07
  6. Step 6: Final answer
    x = 201,388.48

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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.