Home / 152,322.21-210,197.79-84,334.41

Finding the Fourth Proportional to 152,322.21, 210,197.79 and 84,334.41

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Solution

The fourth proportional to 152,322.21, 210,197.79 and 84,334.41 is: 116,377.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,322.21 : 210,197.79 = 84,334.41 : x
  2. Step 2: Convert to fraction form
    152,322.21/210,197.79 = 84,334.41/x
  3. Step 3: Cross multiply
    152,322.21x = 210,197.79 × 84,334.41
  4. Step 4: Simplify right side
    152,322.21x = 17,726,906,602.95
  5. Step 5: Solve for x
    x = 17,726,906,602.95/152,322.21
  6. Step 6: Final answer
    x = 116,377.69

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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.