Home / 179,782.43-248,095.19-99,208.90

Finding the Fourth Proportional to 179,782.43, 248,095.19 and 99,208.90

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Solution

The fourth proportional to 179,782.43, 248,095.19 and 99,208.90 is: 136,905.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,782.43 : 248,095.19 = 99,208.90 : x
  2. Step 2: Convert to fraction form
    179,782.43/248,095.19 = 99,208.90/x
  3. Step 3: Cross multiply
    179,782.43x = 248,095.19 × 99,208.90
  4. Step 4: Simplify right side
    179,782.43x = 24,613,249,158.67
  5. Step 5: Solve for x
    x = 24,613,249,158.67/179,782.43
  6. Step 6: Final answer
    x = 136,905.75

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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.