Home / 137,730.30-206,595.45-37,905.90

Finding the Fourth Proportional to 137,730.30, 206,595.45 and 37,905.90

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Solution

The fourth proportional to 137,730.30, 206,595.45 and 37,905.90 is: 56,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,730.30 : 206,595.45 = 37,905.90 : x
  2. Step 2: Convert to fraction form
    137,730.30/206,595.45 = 37,905.90/x
  3. Step 3: Cross multiply
    137,730.30x = 206,595.45 × 37,905.90
  4. Step 4: Simplify right side
    137,730.30x = 7,831,186,468.16
  5. Step 5: Solve for x
    x = 7,831,186,468.16/137,730.30
  6. Step 6: Final answer
    x = 56,858.85

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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.