Home / 265,890.47-366,933.15-145,031.72

Finding the Fourth Proportional to 265,890.47, 366,933.15 and 145,031.72

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Solution

The fourth proportional to 265,890.47, 366,933.15 and 145,031.72 is: 200,146.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,890.47 : 366,933.15 = 145,031.72 : x
  2. Step 2: Convert to fraction form
    265,890.47/366,933.15 = 145,031.72/x
  3. Step 3: Cross multiply
    265,890.47x = 366,933.15 × 145,031.72
  4. Step 4: Simplify right side
    265,890.47x = 53,216,944,034.85
  5. Step 5: Solve for x
    x = 53,216,944,034.85/265,890.47
  6. Step 6: Final answer
    x = 200,146.12

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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.