Home / 187,499.02-258,749.08-102,621.56

Finding the Fourth Proportional to 187,499.02, 258,749.08 and 102,621.56

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Solution

The fourth proportional to 187,499.02, 258,749.08 and 102,621.56 is: 141,617.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,499.02 : 258,749.08 = 102,621.56 : x
  2. Step 2: Convert to fraction form
    187,499.02/258,749.08 = 102,621.56/x
  3. Step 3: Cross multiply
    187,499.02x = 258,749.08 × 102,621.56
  4. Step 4: Simplify right side
    187,499.02x = 26,553,234,238.16
  5. Step 5: Solve for x
    x = 26,553,234,238.16/187,499.02
  6. Step 6: Final answer
    x = 141,617.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.