Home / 251,904.60-377,848.80-83,432.70

Finding the Fourth Proportional to 251,904.60, 377,848.80 and 83,432.70

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Solution

The fourth proportional to 251,904.60, 377,848.80 and 83,432.70 is: 125,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,904.60 : 377,848.80 = 83,432.70 : x
  2. Step 2: Convert to fraction form
    251,904.60/377,848.80 = 83,432.70/x
  3. Step 3: Cross multiply
    251,904.60x = 377,848.80 × 83,432.70
  4. Step 4: Simplify right side
    251,904.60x = 31,524,945,575.76
  5. Step 5: Solve for x
    x = 31,524,945,575.76/251,904.60
  6. Step 6: Final answer
    x = 125,146.37

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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.