Home / 145,197.58-200,367.48-81,538.06

Finding the Fourth Proportional to 145,197.58, 200,367.48 and 81,538.06

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Solution

The fourth proportional to 145,197.58, 200,367.48 and 81,538.06 is: 112,519.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,197.58 : 200,367.48 = 81,538.06 : x
  2. Step 2: Convert to fraction form
    145,197.58/200,367.48 = 81,538.06/x
  3. Step 3: Cross multiply
    145,197.58x = 200,367.48 × 81,538.06
  4. Step 4: Simplify right side
    145,197.58x = 16,337,575,606.29
  5. Step 5: Solve for x
    x = 16,337,575,606.29/145,197.58
  6. Step 6: Final answer
    x = 112,519.61

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1.5x scale

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.