Home / 160,740.27-221,878.98-109,716.48

Finding the Fourth Proportional to 160,740.27, 221,878.98 and 109,716.48

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Solution

The fourth proportional to 160,740.27, 221,878.98 and 109,716.48 is: 151,447.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,740.27 : 221,878.98 = 109,716.48 : x
  2. Step 2: Convert to fraction form
    160,740.27/221,878.98 = 109,716.48/x
  3. Step 3: Cross multiply
    160,740.27x = 221,878.98 × 109,716.48
  4. Step 4: Simplify right side
    160,740.27x = 24,343,780,671.59
  5. Step 5: Solve for x
    x = 24,343,780,671.59/160,740.27
  6. Step 6: Final answer
    x = 151,447.93

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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.