Home / 155,016.86-213,832.89-97,633.70

Finding the Fourth Proportional to 155,016.86, 213,832.89 and 97,633.70

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Solution

The fourth proportional to 155,016.86, 213,832.89 and 97,633.70 is: 134,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,016.86 : 213,832.89 = 97,633.70 : x
  2. Step 2: Convert to fraction form
    155,016.86/213,832.89 = 97,633.70/x
  3. Step 3: Cross multiply
    155,016.86x = 213,832.89 × 97,633.70
  4. Step 4: Simplify right side
    155,016.86x = 20,877,296,232.39
  5. Step 5: Solve for x
    x = 20,877,296,232.39/155,016.86
  6. Step 6: Final answer
    x = 134,677.58

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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.