Home / 260,100.02-390,150.02-73,111.52

Finding the Fourth Proportional to 260,100.02, 390,150.02 and 73,111.52

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Solution

The fourth proportional to 260,100.02, 390,150.02 and 73,111.52 is: 109,667.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,100.02 : 390,150.02 = 73,111.52 : x
  2. Step 2: Convert to fraction form
    260,100.02/390,150.02 = 73,111.52/x
  3. Step 3: Cross multiply
    260,100.02x = 390,150.02 × 73,111.52
  4. Step 4: Simplify right side
    260,100.02x = 28,524,459,557.49
  5. Step 5: Solve for x
    x = 28,524,459,557.49/260,100.02
  6. Step 6: Final answer
    x = 109,667.27

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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.