Home / 126,422.16-174,467.62-72,707.14

Finding the Fourth Proportional to 126,422.16, 174,467.62 and 72,707.14

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Solution

The fourth proportional to 126,422.16, 174,467.62 and 72,707.14 is: 100,338.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,422.16 : 174,467.62 = 72,707.14 : x
  2. Step 2: Convert to fraction form
    126,422.16/174,467.62 = 72,707.14/x
  3. Step 3: Cross multiply
    126,422.16x = 174,467.62 × 72,707.14
  4. Step 4: Simplify right side
    126,422.16x = 12,685,041,672.81
  5. Step 5: Solve for x
    x = 12,685,041,672.81/126,422.16
  6. Step 6: Final answer
    x = 100,338.75

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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.