Home / 257,176.41-385,577.70-107,459.55

Finding the Fourth Proportional to 257,176.41, 385,577.70 and 107,459.55

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Solution

The fourth proportional to 257,176.41, 385,577.70 and 107,459.55 is: 161,111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,176.41 : 385,577.70 = 107,459.55 : x
  2. Step 2: Convert to fraction form
    257,176.41/385,577.70 = 107,459.55/x
  3. Step 3: Cross multiply
    257,176.41x = 385,577.70 × 107,459.55
  4. Step 4: Simplify right side
    257,176.41x = 41,434,006,132.04
  5. Step 5: Solve for x
    x = 41,434,006,132.04/257,176.41
  6. Step 6: Final answer
    x = 161,111.22

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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.