Home / 257,121.02-385,930.31-124,094.93

Finding the Fourth Proportional to 257,121.02, 385,930.31 and 124,094.93

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Solution

The fourth proportional to 257,121.02, 385,930.31 and 124,094.93 is: 186,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,121.02 : 385,930.31 = 124,094.93 : x
  2. Step 2: Convert to fraction form
    257,121.02/385,930.31 = 124,094.93/x
  3. Step 3: Cross multiply
    257,121.02x = 385,930.31 × 124,094.93
  4. Step 4: Simplify right side
    257,121.02x = 47,891,992,254.20
  5. Step 5: Solve for x
    x = 47,891,992,254.20/257,121.02
  6. Step 6: Final answer
    x = 186,262.45

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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.