Home / 163,895.80-225,700.14-142,375.72

Finding the Fourth Proportional to 163,895.80, 225,700.14 and 142,375.72

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Solution

The fourth proportional to 163,895.80, 225,700.14 and 142,375.72 is: 196,064.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,895.80 : 225,700.14 = 142,375.72 : x
  2. Step 2: Convert to fraction form
    163,895.80/225,700.14 = 142,375.72/x
  3. Step 3: Cross multiply
    163,895.80x = 225,700.14 × 142,375.72
  4. Step 4: Simplify right side
    163,895.80x = 32,134,219,936.60
  5. Step 5: Solve for x
    x = 32,134,219,936.60/163,895.80
  6. Step 6: Final answer
    x = 196,064.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.