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Finding the Fourth Proportional to 154,437.60, 231,656.40 and 95,080.80

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Solution

The fourth proportional to 154,437.60, 231,656.40 and 95,080.80 is: 142,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,437.60 : 231,656.40 = 95,080.80 : x
  2. Step 2: Convert to fraction form
    154,437.60/231,656.40 = 95,080.80/x
  3. Step 3: Cross multiply
    154,437.60x = 231,656.40 × 95,080.80
  4. Step 4: Simplify right side
    154,437.60x = 22,026,075,837.12
  5. Step 5: Solve for x
    x = 22,026,075,837.12/154,437.60
  6. Step 6: Final answer
    x = 142,621.20

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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.