Home / 220,238.04-330,240.24-87,112.92

Finding the Fourth Proportional to 220,238.04, 330,240.24 and 87,112.92

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Solution

The fourth proportional to 220,238.04, 330,240.24 and 87,112.92 is: 130,623.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,238.04 : 330,240.24 = 87,112.92 : x
  2. Step 2: Convert to fraction form
    220,238.04/330,240.24 = 87,112.92/x
  3. Step 3: Cross multiply
    220,238.04x = 330,240.24 × 87,112.92
  4. Step 4: Simplify right side
    220,238.04x = 28,768,191,607.90
  5. Step 5: Solve for x
    x = 28,768,191,607.90/220,238.04
  6. Step 6: Final answer
    x = 130,623.17

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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.