Home / 126,028.32-173,923.02-72,323.16

Finding the Fourth Proportional to 126,028.32, 173,923.02 and 72,323.16

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Solution

The fourth proportional to 126,028.32, 173,923.02 and 72,323.16 is: 99,808.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,028.32 : 173,923.02 = 72,323.16 : x
  2. Step 2: Convert to fraction form
    126,028.32/173,923.02 = 72,323.16/x
  3. Step 3: Cross multiply
    126,028.32x = 173,923.02 × 72,323.16
  4. Step 4: Simplify right side
    126,028.32x = 12,578,662,403.14
  5. Step 5: Solve for x
    x = 12,578,662,403.14/126,028.32
  6. Step 6: Final answer
    x = 99,808.22

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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.