Home / 121,349.73-182,106.60-42,464.64

Finding the Fourth Proportional to 121,349.73, 182,106.60 and 42,464.64

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Solution

The fourth proportional to 121,349.73, 182,106.60 and 42,464.64 is: 63,725.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,349.73 : 182,106.60 = 42,464.64 : x
  2. Step 2: Convert to fraction form
    121,349.73/182,106.60 = 42,464.64/x
  3. Step 3: Cross multiply
    121,349.73x = 182,106.60 × 42,464.64
  4. Step 4: Simplify right side
    121,349.73x = 7,733,091,210.62
  5. Step 5: Solve for x
    x = 7,733,091,210.62/121,349.73
  6. Step 6: Final answer
    x = 63,725.66

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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.