Home / 251,954.40-377,931.60-125,983.20

Finding the Fourth Proportional to 251,954.40, 377,931.60 and 125,983.20

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Solution

The fourth proportional to 251,954.40, 377,931.60 and 125,983.20 is: 188,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,954.40 : 377,931.60 = 125,983.20 : x
  2. Step 2: Convert to fraction form
    251,954.40/377,931.60 = 125,983.20/x
  3. Step 3: Cross multiply
    251,954.40x = 377,931.60 × 125,983.20
  4. Step 4: Simplify right side
    251,954.40x = 47,613,032,349.12
  5. Step 5: Solve for x
    x = 47,613,032,349.12/251,954.40
  6. Step 6: Final answer
    x = 188,974.80

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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.