Home / 136,445.40-204,668.10-102,984.30

Finding the Fourth Proportional to 136,445.40, 204,668.10 and 102,984.30

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Solution

The fourth proportional to 136,445.40, 204,668.10 and 102,984.30 is: 154,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,445.40 : 204,668.10 = 102,984.30 : x
  2. Step 2: Convert to fraction form
    136,445.40/204,668.10 = 102,984.30/x
  3. Step 3: Cross multiply
    136,445.40x = 204,668.10 × 102,984.30
  4. Step 4: Simplify right side
    136,445.40x = 21,077,601,010.83
  5. Step 5: Solve for x
    x = 21,077,601,010.83/136,445.40
  6. Step 6: Final answer
    x = 154,476.45

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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.