Home / 146,530.10-219,467.10-113,141.90

Finding the Fourth Proportional to 146,530.10, 219,467.10 and 113,141.90

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Solution

The fourth proportional to 146,530.10, 219,467.10 and 113,141.90 is: 169,459.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,530.10 : 219,467.10 = 113,141.90 : x
  2. Step 2: Convert to fraction form
    146,530.10/219,467.10 = 113,141.90/x
  3. Step 3: Cross multiply
    146,530.10x = 219,467.10 × 113,141.90
  4. Step 4: Simplify right side
    146,530.10x = 24,830,924,681.49
  5. Step 5: Solve for x
    x = 24,830,924,681.49/146,530.10
  6. Step 6: Final answer
    x = 169,459.55

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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.