Home / 137,428.32-206,148.69-37,586.28

Finding the Fourth Proportional to 137,428.32, 206,148.69 and 37,586.28

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Solution

The fourth proportional to 137,428.32, 206,148.69 and 37,586.28 is: 56,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,428.32 : 206,148.69 = 37,586.28 : x
  2. Step 2: Convert to fraction form
    137,428.32/206,148.69 = 37,586.28/x
  3. Step 3: Cross multiply
    137,428.32x = 206,148.69 × 37,586.28
  4. Step 4: Simplify right side
    137,428.32x = 7,748,362,383.97
  5. Step 5: Solve for x
    x = 7,748,362,383.97/137,428.32
  6. Step 6: Final answer
    x = 56,381.12

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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.