Home / 126,554.90-174,640.22-72,841.64

Finding the Fourth Proportional to 126,554.90, 174,640.22 and 72,841.64

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Solution

The fourth proportional to 126,554.90, 174,640.22 and 72,841.64 is: 100,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,554.90 : 174,640.22 = 72,841.64 : x
  2. Step 2: Convert to fraction form
    126,554.90/174,640.22 = 72,841.64/x
  3. Step 3: Cross multiply
    126,554.90x = 174,640.22 × 72,841.64
  4. Step 4: Simplify right side
    126,554.90x = 12,721,080,034.76
  5. Step 5: Solve for x
    x = 12,721,080,034.76/126,554.90
  6. Step 6: Final answer
    x = 100,518.27

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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.