Home / 102,475.02-153,717.24-31,392.56

Finding the Fourth Proportional to 102,475.02, 153,717.24 and 31,392.56

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Solution

The fourth proportional to 102,475.02, 153,717.24 and 31,392.56 is: 47,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,475.02 : 153,717.24 = 31,392.56 : x
  2. Step 2: Convert to fraction form
    102,475.02/153,717.24 = 31,392.56/x
  3. Step 3: Cross multiply
    102,475.02x = 153,717.24 × 31,392.56
  4. Step 4: Simplify right side
    102,475.02x = 4,825,578,181.75
  5. Step 5: Solve for x
    x = 4,825,578,181.75/102,475.02
  6. Step 6: Final answer
    x = 47,090.29

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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.