Home / 251,905.80-377,530.65-102,023.40

Finding the Fourth Proportional to 251,905.80, 377,530.65 and 102,023.40

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Solution

The fourth proportional to 251,905.80, 377,530.65 and 102,023.40 is: 152,902.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,905.80 : 377,530.65 = 102,023.40 : x
  2. Step 2: Convert to fraction form
    251,905.80/377,530.65 = 102,023.40/x
  3. Step 3: Cross multiply
    251,905.80x = 377,530.65 × 102,023.40
  4. Step 4: Simplify right side
    251,905.80x = 38,516,960,517.21
  5. Step 5: Solve for x
    x = 38,516,960,517.21/251,905.80
  6. Step 6: Final answer
    x = 152,902.24

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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.