Home / 121,634.14-182,460.90-42,766.06

Finding the Fourth Proportional to 121,634.14, 182,460.90 and 42,766.06

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Solution

The fourth proportional to 121,634.14, 182,460.90 and 42,766.06 is: 64,152.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,634.14 : 182,460.90 = 42,766.06 : x
  2. Step 2: Convert to fraction form
    121,634.14/182,460.90 = 42,766.06/x
  3. Step 3: Cross multiply
    121,634.14x = 182,460.90 × 42,766.06
  4. Step 4: Simplify right side
    121,634.14x = 7,803,133,797.05
  5. Step 5: Solve for x
    x = 7,803,133,797.05/121,634.14
  6. Step 6: Final answer
    x = 64,152.50

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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.