Home / 169,284.42-253,934.76-139,647.36

Finding the Fourth Proportional to 169,284.42, 253,934.76 and 139,647.36

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Solution

The fourth proportional to 169,284.42, 253,934.76 and 139,647.36 is: 209,477.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,284.42 : 253,934.76 = 139,647.36 : x
  2. Step 2: Convert to fraction form
    169,284.42/253,934.76 = 139,647.36/x
  3. Step 3: Cross multiply
    169,284.42x = 253,934.76 × 139,647.36
  4. Step 4: Simplify right side
    169,284.42x = 35,461,318,846.23
  5. Step 5: Solve for x
    x = 35,461,318,846.23/169,284.42
  6. Step 6: Final answer
    x = 209,477.75

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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.