Home / 137,369.06-206,186.57-66,341.58

Finding the Fourth Proportional to 137,369.06, 206,186.57 and 66,341.58

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Solution

The fourth proportional to 137,369.06, 206,186.57 and 66,341.58 is: 99,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,369.06 : 206,186.57 = 66,341.58 : x
  2. Step 2: Convert to fraction form
    137,369.06/206,186.57 = 66,341.58/x
  3. Step 3: Cross multiply
    137,369.06x = 206,186.57 × 66,341.58
  4. Step 4: Simplify right side
    137,369.06x = 13,678,742,828.58
  5. Step 5: Solve for x
    x = 13,678,742,828.58/137,369.06
  6. Step 6: Final answer
    x = 99,576.59

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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.