Home / 260,028.15-390,056.80-73,025.07

Finding the Fourth Proportional to 260,028.15, 390,056.80 and 73,025.07

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Solution

The fourth proportional to 260,028.15, 390,056.80 and 73,025.07 is: 109,541.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,028.15 : 390,056.80 = 73,025.07 : x
  2. Step 2: Convert to fraction form
    260,028.15/390,056.80 = 73,025.07/x
  3. Step 3: Cross multiply
    260,028.15x = 390,056.80 × 73,025.07
  4. Step 4: Simplify right side
    260,028.15x = 28,483,923,173.69
  5. Step 5: Solve for x
    x = 28,483,923,173.69/260,028.15
  6. Step 6: Final answer
    x = 109,541.69

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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.