Home / 126,362.40-174,237.95-103,320.33

Finding the Fourth Proportional to 126,362.40, 174,237.95 and 103,320.33

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Solution

The fourth proportional to 126,362.40, 174,237.95 and 103,320.33 is: 142,465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,362.40 : 174,237.95 = 103,320.33 : x
  2. Step 2: Convert to fraction form
    126,362.40/174,237.95 = 103,320.33/x
  3. Step 3: Cross multiply
    126,362.40x = 174,237.95 × 103,320.33
  4. Step 4: Simplify right side
    126,362.40x = 18,002,321,975.92
  5. Step 5: Solve for x
    x = 18,002,321,975.92/126,362.40
  6. Step 6: Final answer
    x = 142,465.81

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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.