Home / 179,705.90-247,995.87-99,136.82

Finding the Fourth Proportional to 179,705.90, 247,995.87 and 99,136.82

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Solution

The fourth proportional to 179,705.90, 247,995.87 and 99,136.82 is: 136,809.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,705.90 : 247,995.87 = 99,136.82 : x
  2. Step 2: Convert to fraction form
    179,705.90/247,995.87 = 99,136.82/x
  3. Step 3: Cross multiply
    179,705.90x = 247,995.87 × 99,136.82
  4. Step 4: Simplify right side
    179,705.90x = 24,585,521,924.93
  5. Step 5: Solve for x
    x = 24,585,521,924.93/179,705.90
  6. Step 6: Final answer
    x = 136,809.76

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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.