Home / 126,499.17-174,605.58-72,822.09

Finding the Fourth Proportional to 126,499.17, 174,605.58 and 72,822.09

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Solution

The fourth proportional to 126,499.17, 174,605.58 and 72,822.09 is: 100,515.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,499.17 : 174,605.58 = 72,822.09 : x
  2. Step 2: Convert to fraction form
    126,499.17/174,605.58 = 72,822.09/x
  3. Step 3: Cross multiply
    126,499.17x = 174,605.58 × 72,822.09
  4. Step 4: Simplify right side
    126,499.17x = 12,715,143,261.26
  5. Step 5: Solve for x
    x = 12,715,143,261.26/126,499.17
  6. Step 6: Final answer
    x = 100,515.63

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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.