Home / 121,349.72-182,106.60-42,464.63

Finding the Fourth Proportional to 121,349.72, 182,106.60 and 42,464.63

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Solution

The fourth proportional to 121,349.72, 182,106.60 and 42,464.63 is: 63,725.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,349.72 : 182,106.60 = 42,464.63 : x
  2. Step 2: Convert to fraction form
    121,349.72/182,106.60 = 42,464.63/x
  3. Step 3: Cross multiply
    121,349.72x = 182,106.60 × 42,464.63
  4. Step 4: Simplify right side
    121,349.72x = 7,733,089,389.56
  5. Step 5: Solve for x
    x = 7,733,089,389.56/121,349.72
  6. Step 6: Final answer
    x = 63,725.65

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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.