Home / 154,442.90-231,664.35-54,602.30

Finding the Fourth Proportional to 154,442.90, 231,664.35 and 54,602.30

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Solution

The fourth proportional to 154,442.90, 231,664.35 and 54,602.30 is: 81,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,442.90 : 231,664.35 = 54,602.30 : x
  2. Step 2: Convert to fraction form
    154,442.90/231,664.35 = 54,602.30/x
  3. Step 3: Cross multiply
    154,442.90x = 231,664.35 × 54,602.30
  4. Step 4: Simplify right side
    154,442.90x = 12,649,406,338.01
  5. Step 5: Solve for x
    x = 12,649,406,338.01/154,442.90
  6. Step 6: Final answer
    x = 81,903.45

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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.