Home / 154,037.80-231,056.70-147,914.20

Finding the Fourth Proportional to 154,037.80, 231,056.70 and 147,914.20

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Solution

The fourth proportional to 154,037.80, 231,056.70 and 147,914.20 is: 221,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,037.80 : 231,056.70 = 147,914.20 : x
  2. Step 2: Convert to fraction form
    154,037.80/231,056.70 = 147,914.20/x
  3. Step 3: Cross multiply
    154,037.80x = 231,056.70 × 147,914.20
  4. Step 4: Simplify right side
    154,037.80x = 34,176,566,935.14
  5. Step 5: Solve for x
    x = 34,176,566,935.14/154,037.80
  6. Step 6: Final answer
    x = 221,871.30

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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.