Home / 257,076.06-385,562.25-70,063.26

Finding the Fourth Proportional to 257,076.06, 385,562.25 and 70,063.26

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Solution

The fourth proportional to 257,076.06, 385,562.25 and 70,063.26 is: 105,080.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,076.06 : 385,562.25 = 70,063.26 : x
  2. Step 2: Convert to fraction form
    257,076.06/385,562.25 = 70,063.26/x
  3. Step 3: Cross multiply
    257,076.06x = 385,562.25 × 70,063.26
  4. Step 4: Simplify right side
    257,076.06x = 27,013,748,167.94
  5. Step 5: Solve for x
    x = 27,013,748,167.94/257,076.06
  6. Step 6: Final answer
    x = 105,080.76

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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.