Home / 154,602.56-231,437.00-139,818.44

Finding the Fourth Proportional to 154,602.56, 231,437.00 and 139,818.44

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Solution

The fourth proportional to 154,602.56, 231,437.00 and 139,818.44 is: 209,305.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,602.56 : 231,437.00 = 139,818.44 : x
  2. Step 2: Convert to fraction form
    154,602.56/231,437.00 = 139,818.44/x
  3. Step 3: Cross multiply
    154,602.56x = 231,437.00 × 139,818.44
  4. Step 4: Simplify right side
    154,602.56x = 32,359,158,442.00
  5. Step 5: Solve for x
    x = 32,359,158,442.00/154,602.56
  6. Step 6: Final answer
    x = 209,305.46

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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.