Home / 102,483.02-153,729.24-31,400.56

Finding the Fourth Proportional to 102,483.02, 153,729.24 and 31,400.56

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Solution

The fourth proportional to 102,483.02, 153,729.24 and 31,400.56 is: 47,102.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,483.02 : 153,729.24 = 31,400.56 : x
  2. Step 2: Convert to fraction form
    102,483.02/153,729.24 = 31,400.56/x
  3. Step 3: Cross multiply
    102,483.02x = 153,729.24 × 31,400.56
  4. Step 4: Simplify right side
    102,483.02x = 4,827,184,224.37
  5. Step 5: Solve for x
    x = 4,827,184,224.37/102,483.02
  6. Step 6: Final answer
    x = 47,102.28

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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.