Home / 136,525.24-188,404.40-76,095.20

Finding the Fourth Proportional to 136,525.24, 188,404.40 and 76,095.20

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Solution

The fourth proportional to 136,525.24, 188,404.40 and 76,095.20 is: 105,011.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,525.24 : 188,404.40 = 76,095.20 : x
  2. Step 2: Convert to fraction form
    136,525.24/188,404.40 = 76,095.20/x
  3. Step 3: Cross multiply
    136,525.24x = 188,404.40 × 76,095.20
  4. Step 4: Simplify right side
    136,525.24x = 14,336,670,498.88
  5. Step 5: Solve for x
    x = 14,336,670,498.88/136,525.24
  6. Step 6: Final answer
    x = 105,011.14

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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.