Home / 102,477.02-153,720.24-31,394.56

Finding the Fourth Proportional to 102,477.02, 153,720.24 and 31,394.56

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Solution

The fourth proportional to 102,477.02, 153,720.24 and 31,394.56 is: 47,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,477.02 : 153,720.24 = 31,394.56 : x
  2. Step 2: Convert to fraction form
    102,477.02/153,720.24 = 31,394.56/x
  3. Step 3: Cross multiply
    102,477.02x = 153,720.24 × 31,394.56
  4. Step 4: Simplify right side
    102,477.02x = 4,825,979,297.89
  5. Step 5: Solve for x
    x = 4,825,979,297.89/102,477.02
  6. Step 6: Final answer
    x = 47,093.28

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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.