Home / 126,453.94-174,303.75-85,605.18

Finding the Fourth Proportional to 126,453.94, 174,303.75 and 85,605.18

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Solution

The fourth proportional to 126,453.94, 174,303.75 and 85,605.18 is: 117,997.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,453.94 : 174,303.75 = 85,605.18 : x
  2. Step 2: Convert to fraction form
    126,453.94/174,303.75 = 85,605.18/x
  3. Step 3: Cross multiply
    126,453.94x = 174,303.75 × 85,605.18
  4. Step 4: Simplify right side
    126,453.94x = 14,921,303,465.40
  5. Step 5: Solve for x
    x = 14,921,303,465.40/126,453.94
  6. Step 6: Final answer
    x = 117,997.94

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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.