Home / 220,125.15-330,001.22-87,099.26

Finding the Fourth Proportional to 220,125.15, 330,001.22 and 87,099.26

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Solution

The fourth proportional to 220,125.15, 330,001.22 and 87,099.26 is: 130,575.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,125.15 : 330,001.22 = 87,099.26 : x
  2. Step 2: Convert to fraction form
    220,125.15/330,001.22 = 87,099.26/x
  3. Step 3: Cross multiply
    220,125.15x = 330,001.22 × 87,099.26
  4. Step 4: Simplify right side
    220,125.15x = 28,742,859,975.59
  5. Step 5: Solve for x
    x = 28,742,859,975.59/220,125.15
  6. Step 6: Final answer
    x = 130,575.08

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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.