Home / 257,025.56-385,476.24-99,153.32

Finding the Fourth Proportional to 257,025.56, 385,476.24 and 99,153.32

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Solution

The fourth proportional to 257,025.56, 385,476.24 and 99,153.32 is: 148,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,025.56 : 385,476.24 = 99,153.32 : x
  2. Step 2: Convert to fraction form
    257,025.56/385,476.24 = 99,153.32/x
  3. Step 3: Cross multiply
    257,025.56x = 385,476.24 × 99,153.32
  4. Step 4: Simplify right side
    257,025.56x = 38,221,248,977.12
  5. Step 5: Solve for x
    x = 38,221,248,977.12/257,025.56
  6. Step 6: Final answer
    x = 148,706.02

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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.