Home / 137,445.14-206,199.98-42,670.49

Finding the Fourth Proportional to 137,445.14, 206,199.98 and 42,670.49

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Solution

The fourth proportional to 137,445.14, 206,199.98 and 42,670.49 is: 64,015.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,445.14 : 206,199.98 = 42,670.49 : x
  2. Step 2: Convert to fraction form
    137,445.14/206,199.98 = 42,670.49/x
  3. Step 3: Cross multiply
    137,445.14x = 206,199.98 × 42,670.49
  4. Step 4: Simplify right side
    137,445.14x = 8,798,653,100.25
  5. Step 5: Solve for x
    x = 8,798,653,100.25/137,445.14
  6. Step 6: Final answer
    x = 64,015.74

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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.