Home / 99,447.16-149,034.38-52,606.48

Finding the Fourth Proportional to 99,447.16, 149,034.38 and 52,606.48

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Solution

The fourth proportional to 99,447.16, 149,034.38 and 52,606.48 is: 78,837.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,447.16 : 149,034.38 = 52,606.48 : x
  2. Step 2: Convert to fraction form
    99,447.16/149,034.38 = 52,606.48/x
  3. Step 3: Cross multiply
    99,447.16x = 149,034.38 × 52,606.48
  4. Step 4: Simplify right side
    99,447.16x = 7,840,174,130.78
  5. Step 5: Solve for x
    x = 7,840,174,130.78/99,447.16
  6. Step 6: Final answer
    x = 78,837.59

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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.