Home / 121,482.42-182,249.52-42,601.38

Finding the Fourth Proportional to 121,482.42, 182,249.52 and 42,601.38

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Solution

The fourth proportional to 121,482.42, 182,249.52 and 42,601.38 is: 63,911.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,482.42 : 182,249.52 = 42,601.38 : x
  2. Step 2: Convert to fraction form
    121,482.42/182,249.52 = 42,601.38/x
  3. Step 3: Cross multiply
    121,482.42x = 182,249.52 × 42,601.38
  4. Step 4: Simplify right side
    121,482.42x = 7,764,081,056.34
  5. Step 5: Solve for x
    x = 7,764,081,056.34/121,482.42
  6. Step 6: Final answer
    x = 63,911.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.