Home / 102,529.20-153,780.60-32,415.60

Finding the Fourth Proportional to 102,529.20, 153,780.60 and 32,415.60

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Solution

The fourth proportional to 102,529.20, 153,780.60 and 32,415.60 is: 48,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,529.20 : 153,780.60 = 32,415.60 : x
  2. Step 2: Convert to fraction form
    102,529.20/153,780.60 = 32,415.60/x
  3. Step 3: Cross multiply
    102,529.20x = 153,780.60 × 32,415.60
  4. Step 4: Simplify right side
    102,529.20x = 4,984,890,417.36
  5. Step 5: Solve for x
    x = 4,984,890,417.36/102,529.20
  6. Step 6: Final answer
    x = 48,619.23

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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.