Home / 121,349.63-182,106.46-42,464.54

Finding the Fourth Proportional to 121,349.63, 182,106.46 and 42,464.54

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Solution

The fourth proportional to 121,349.63, 182,106.46 and 42,464.54 is: 63,725.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,349.63 : 182,106.46 = 42,464.54 : x
  2. Step 2: Convert to fraction form
    121,349.63/182,106.46 = 42,464.54/x
  3. Step 3: Cross multiply
    121,349.63x = 182,106.46 × 42,464.54
  4. Step 4: Simplify right side
    121,349.63x = 7,733,066,842.61
  5. Step 5: Solve for x
    x = 7,733,066,842.61/121,349.63
  6. Step 6: Final answer
    x = 63,725.51

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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.