Home / 220,152.28-330,228.44-87,095.20

Finding the Fourth Proportional to 220,152.28, 330,228.44 and 87,095.20

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Solution

The fourth proportional to 220,152.28, 330,228.44 and 87,095.20 is: 130,642.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,152.28 : 330,228.44 = 87,095.20 : x
  2. Step 2: Convert to fraction form
    220,152.28/330,228.44 = 87,095.20/x
  3. Step 3: Cross multiply
    220,152.28x = 330,228.44 × 87,095.20
  4. Step 4: Simplify right side
    220,152.28x = 28,761,312,027.49
  5. Step 5: Solve for x
    x = 28,761,312,027.49/220,152.28
  6. Step 6: Final answer
    x = 130,642.81

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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.