Home / 237,719.37-328,037.86-130,281.78

Finding the Fourth Proportional to 237,719.37, 328,037.86 and 130,281.78

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Solution

The fourth proportional to 237,719.37, 328,037.86 and 130,281.78 is: 179,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,719.37 : 328,037.86 = 130,281.78 : x
  2. Step 2: Convert to fraction form
    237,719.37/328,037.86 = 130,281.78/x
  3. Step 3: Cross multiply
    237,719.37x = 328,037.86 × 130,281.78
  4. Step 4: Simplify right side
    237,719.37x = 42,737,356,308.19
  5. Step 5: Solve for x
    x = 42,737,356,308.19/237,719.37
  6. Step 6: Final answer
    x = 179,780.71

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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.