Home / 121,544.80-182,346.54-45,643.96

Finding the Fourth Proportional to 121,544.80, 182,346.54 and 45,643.96

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Solution

The fourth proportional to 121,544.80, 182,346.54 and 45,643.96 is: 68,476.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,544.80 : 182,346.54 = 45,643.96 : x
  2. Step 2: Convert to fraction form
    121,544.80/182,346.54 = 45,643.96/x
  3. Step 3: Cross multiply
    121,544.80x = 182,346.54 × 45,643.96
  4. Step 4: Simplify right side
    121,544.80x = 8,323,018,177.90
  5. Step 5: Solve for x
    x = 8,323,018,177.90/121,544.80
  6. Step 6: Final answer
    x = 68,476.96

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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.