Home / 126,633.64-174,758.74-72,193.86

Finding the Fourth Proportional to 126,633.64, 174,758.74 and 72,193.86

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Solution

The fourth proportional to 126,633.64, 174,758.74 and 72,193.86 is: 99,629.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,633.64 : 174,758.74 = 72,193.86 : x
  2. Step 2: Convert to fraction form
    126,633.64/174,758.74 = 72,193.86/x
  3. Step 3: Cross multiply
    126,633.64x = 174,758.74 × 72,193.86
  4. Step 4: Simplify right side
    126,633.64x = 12,616,506,774.57
  5. Step 5: Solve for x
    x = 12,616,506,774.57/126,633.64
  6. Step 6: Final answer
    x = 99,629.98

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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.