Home / 126,365.67-174,393.81-72,667.53

Finding the Fourth Proportional to 126,365.67, 174,393.81 and 72,667.53

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Solution

The fourth proportional to 126,365.67, 174,393.81 and 72,667.53 is: 100,286.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,365.67 : 174,393.81 = 72,667.53 : x
  2. Step 2: Convert to fraction form
    126,365.67/174,393.81 = 72,667.53/x
  3. Step 3: Cross multiply
    126,365.67x = 174,393.81 × 72,667.53
  4. Step 4: Simplify right side
    126,365.67x = 12,672,767,419.99
  5. Step 5: Solve for x
    x = 12,672,767,419.99/126,365.67
  6. Step 6: Final answer
    x = 100,286.47

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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.