Home / 163,499.68-245,247.09-45,168.40

Finding the Fourth Proportional to 163,499.68, 245,247.09 and 45,168.40

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Solution

The fourth proportional to 163,499.68, 245,247.09 and 45,168.40 is: 67,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,499.68 : 245,247.09 = 45,168.40 : x
  2. Step 2: Convert to fraction form
    163,499.68/245,247.09 = 45,168.40/x
  3. Step 3: Cross multiply
    163,499.68x = 245,247.09 × 45,168.40
  4. Step 4: Simplify right side
    163,499.68x = 11,077,418,659.96
  5. Step 5: Solve for x
    x = 11,077,418,659.96/163,499.68
  6. Step 6: Final answer
    x = 67,751.93

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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.