Home / 102,108.24-153,173.30-31,030.74

Finding the Fourth Proportional to 102,108.24, 153,173.30 and 31,030.74

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Solution

The fourth proportional to 102,108.24, 153,173.30 and 31,030.74 is: 46,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,108.24 : 153,173.30 = 31,030.74 : x
  2. Step 2: Convert to fraction form
    102,108.24/153,173.30 = 31,030.74/x
  3. Step 3: Cross multiply
    102,108.24x = 153,173.30 × 31,030.74
  4. Step 4: Simplify right side
    102,108.24x = 4,753,080,692.09
  5. Step 5: Solve for x
    x = 4,753,080,692.09/102,108.24
  6. Step 6: Final answer
    x = 46,549.43

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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.