Home / 179,513.45-247,742.80-98,955.30

Finding the Fourth Proportional to 179,513.45, 247,742.80 and 98,955.30

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Solution

The fourth proportional to 179,513.45, 247,742.80 and 98,955.30 is: 136,566.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,513.45 : 247,742.80 = 98,955.30 : x
  2. Step 2: Convert to fraction form
    179,513.45/247,742.80 = 98,955.30/x
  3. Step 3: Cross multiply
    179,513.45x = 247,742.80 × 98,955.30
  4. Step 4: Simplify right side
    179,513.45x = 24,515,462,849.45
  5. Step 5: Solve for x
    x = 24,515,462,849.45/179,513.45
  6. Step 6: Final answer
    x = 136,566.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.