Home / 137,373.85-206,090.37-42,602.14

Finding the Fourth Proportional to 137,373.85, 206,090.37 and 42,602.14

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Solution

The fourth proportional to 137,373.85, 206,090.37 and 42,602.14 is: 63,912.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,373.85 : 206,090.37 = 42,602.14 : x
  2. Step 2: Convert to fraction form
    137,373.85/206,090.37 = 42,602.14/x
  3. Step 3: Cross multiply
    137,373.85x = 206,090.37 × 42,602.14
  4. Step 4: Simplify right side
    137,373.85x = 8,779,890,795.39
  5. Step 5: Solve for x
    x = 8,779,890,795.39/137,373.85
  6. Step 6: Final answer
    x = 63,912.39

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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.