Home / 163,431.16-245,160.88-45,102.52

Finding the Fourth Proportional to 163,431.16, 245,160.88 and 45,102.52

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Solution

The fourth proportional to 163,431.16, 245,160.88 and 45,102.52 is: 67,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,431.16 : 245,160.88 = 45,102.52 : x
  2. Step 2: Convert to fraction form
    163,431.16/245,160.88 = 45,102.52/x
  3. Step 3: Cross multiply
    163,431.16x = 245,160.88 × 45,102.52
  4. Step 4: Simplify right side
    163,431.16x = 11,057,373,493.42
  5. Step 5: Solve for x
    x = 11,057,373,493.42/163,431.16
  6. Step 6: Final answer
    x = 67,657.68

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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.