Home / 163,455.25-245,196.96-45,126.58

Finding the Fourth Proportional to 163,455.25, 245,196.96 and 45,126.58

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Solution

The fourth proportional to 163,455.25, 245,196.96 and 45,126.58 is: 67,693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,455.25 : 245,196.96 = 45,126.58 : x
  2. Step 2: Convert to fraction form
    163,455.25/245,196.96 = 45,126.58/x
  3. Step 3: Cross multiply
    163,455.25x = 245,196.96 × 45,126.58
  4. Step 4: Simplify right side
    163,455.25x = 11,064,900,231.20
  5. Step 5: Solve for x
    x = 11,064,900,231.20/163,455.25
  6. Step 6: Final answer
    x = 67,693.76

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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.