Home / 171,835.47-257,941.77-136,523.77

Finding the Fourth Proportional to 171,835.47, 257,941.77 and 136,523.77

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Solution

The fourth proportional to 171,835.47, 257,941.77 and 136,523.77 is: 204,935.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,835.47 : 257,941.77 = 136,523.77 : x
  2. Step 2: Convert to fraction form
    171,835.47/257,941.77 = 136,523.77/x
  3. Step 3: Cross multiply
    171,835.47x = 257,941.77 × 136,523.77
  4. Step 4: Simplify right side
    171,835.47x = 35,215,182,880.87
  5. Step 5: Solve for x
    x = 35,215,182,880.87/171,835.47
  6. Step 6: Final answer
    x = 204,935.47

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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.