Home / 259,655.02-389,502.23-70,112.63

Finding the Fourth Proportional to 259,655.02, 389,502.23 and 70,112.63

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Solution

The fourth proportional to 259,655.02, 389,502.23 and 70,112.63 is: 105,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,655.02 : 389,502.23 = 70,112.63 : x
  2. Step 2: Convert to fraction form
    259,655.02/389,502.23 = 70,112.63/x
  3. Step 3: Cross multiply
    259,655.02x = 389,502.23 × 70,112.63
  4. Step 4: Simplify right side
    259,655.02x = 27,309,023,438.09
  5. Step 5: Solve for x
    x = 27,309,023,438.09/259,655.02
  6. Step 6: Final answer
    x = 105,174.26

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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.