Home / 257,126.32-385,938.25-124,100.22

Finding the Fourth Proportional to 257,126.32, 385,938.25 and 124,100.22

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Solution

The fourth proportional to 257,126.32, 385,938.25 and 124,100.22 is: 186,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,126.32 : 385,938.25 = 124,100.22 : x
  2. Step 2: Convert to fraction form
    257,126.32/385,938.25 = 124,100.22/x
  3. Step 3: Cross multiply
    257,126.32x = 385,938.25 × 124,100.22
  4. Step 4: Simplify right side
    257,126.32x = 47,895,023,333.81
  5. Step 5: Solve for x
    x = 47,895,023,333.81/257,126.32
  6. Step 6: Final answer
    x = 186,270.40

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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.