Home / 121,539.88-182,308.74-42,635.62

Finding the Fourth Proportional to 121,539.88, 182,308.74 and 42,635.62

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Solution

The fourth proportional to 121,539.88, 182,308.74 and 42,635.62 is: 63,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,539.88 : 182,308.74 = 42,635.62 : x
  2. Step 2: Convert to fraction form
    121,539.88/182,308.74 = 42,635.62/x
  3. Step 3: Cross multiply
    121,539.88x = 182,308.74 × 42,635.62
  4. Step 4: Simplify right side
    121,539.88x = 7,772,846,161.32
  5. Step 5: Solve for x
    x = 7,772,846,161.32/121,539.88
  6. Step 6: Final answer
    x = 63,953.05

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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.