Home / 102,115.80-153,173.76-32,000.64

Finding the Fourth Proportional to 102,115.80, 153,173.76 and 32,000.64

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Solution

The fourth proportional to 102,115.80, 153,173.76 and 32,000.64 is: 48,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,115.80 : 153,173.76 = 32,000.64 : x
  2. Step 2: Convert to fraction form
    102,115.80/153,173.76 = 32,000.64/x
  3. Step 3: Cross multiply
    102,115.80x = 153,173.76 × 32,000.64
  4. Step 4: Simplify right side
    102,115.80x = 4,901,658,351.21
  5. Step 5: Solve for x
    x = 4,901,658,351.21/102,115.80
  6. Step 6: Final answer
    x = 48,000.98

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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.