Home / 220,213.48-330,203.58-87,088.36

Finding the Fourth Proportional to 220,213.48, 330,203.58 and 87,088.36

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Solution

The fourth proportional to 220,213.48, 330,203.58 and 87,088.36 is: 130,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,213.48 : 330,203.58 = 87,088.36 : x
  2. Step 2: Convert to fraction form
    220,213.48/330,203.58 = 87,088.36/x
  3. Step 3: Cross multiply
    220,213.48x = 330,203.58 × 87,088.36
  4. Step 4: Simplify right side
    220,213.48x = 28,756,888,248.33
  5. Step 5: Solve for x
    x = 28,756,888,248.33/220,213.48
  6. Step 6: Final answer
    x = 130,586.41

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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.