Home / 121,492.83-182,240.87-42,609.36

Finding the Fourth Proportional to 121,492.83, 182,240.87 and 42,609.36

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Solution

The fourth proportional to 121,492.83, 182,240.87 and 42,609.36 is: 63,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,492.83 : 182,240.87 = 42,609.36 : x
  2. Step 2: Convert to fraction form
    121,492.83/182,240.87 = 42,609.36/x
  3. Step 3: Cross multiply
    121,492.83x = 182,240.87 × 42,609.36
  4. Step 4: Simplify right side
    121,492.83x = 7,765,166,623.50
  5. Step 5: Solve for x
    x = 7,765,166,623.50/121,492.83
  6. Step 6: Final answer
    x = 63,914.61

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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.