Home / 169,029.79-253,176.23-84,642.77

Finding the Fourth Proportional to 169,029.79, 253,176.23 and 84,642.77

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Solution

The fourth proportional to 169,029.79, 253,176.23 and 84,642.77 is: 126,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,029.79 : 253,176.23 = 84,642.77 : x
  2. Step 2: Convert to fraction form
    169,029.79/253,176.23 = 84,642.77/x
  3. Step 3: Cross multiply
    169,029.79x = 253,176.23 × 84,642.77
  4. Step 4: Simplify right side
    169,029.79x = 21,429,538,249.90
  5. Step 5: Solve for x
    x = 21,429,538,249.90/169,029.79
  6. Step 6: Final answer
    x = 126,779.66

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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.