Home / 261,784.12-392,676.12-74,795.62

Finding the Fourth Proportional to 261,784.12, 392,676.12 and 74,795.62

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Solution

The fourth proportional to 261,784.12, 392,676.12 and 74,795.62 is: 112,193.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,784.12 : 392,676.12 = 74,795.62 : x
  2. Step 2: Convert to fraction form
    261,784.12/392,676.12 = 74,795.62/x
  3. Step 3: Cross multiply
    261,784.12x = 392,676.12 × 74,795.62
  4. Step 4: Simplify right side
    261,784.12x = 29,370,453,854.59
  5. Step 5: Solve for x
    x = 29,370,453,854.59/261,784.12
  6. Step 6: Final answer
    x = 112,193.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.