Home / 154,898.40-231,973.35-88,136.28

Finding the Fourth Proportional to 154,898.40, 231,973.35 and 88,136.28

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Solution

The fourth proportional to 154,898.40, 231,973.35 and 88,136.28 is: 131,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,898.40 : 231,973.35 = 88,136.28 : x
  2. Step 2: Convert to fraction form
    154,898.40/231,973.35 = 88,136.28/x
  3. Step 3: Cross multiply
    154,898.40x = 231,973.35 × 88,136.28
  4. Step 4: Simplify right side
    154,898.40x = 20,445,268,128.14
  5. Step 5: Solve for x
    x = 20,445,268,128.14/154,898.40
  6. Step 6: Final answer
    x = 131,991.47

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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.