Home / 170,716.58-235,344.02-134,355

Finding the Fourth Proportional to 170,716.58, 235,344.02 and 134,355

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Solution

The fourth proportional to 170,716.58, 235,344.02 and 134,355 is: 185,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,716.58 : 235,344.02 = 134,355 : x
  2. Step 2: Convert to fraction form
    170,716.58/235,344.02 = 134,355/x
  3. Step 3: Cross multiply
    170,716.58x = 235,344.02 × 134,355
  4. Step 4: Simplify right side
    170,716.58x = 31,619,645,807.10
  5. Step 5: Solve for x
    x = 31,619,645,807.10/170,716.58
  6. Step 6: Final answer
    x = 185,217.19

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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.