Home / 163,749.67-245,624.49-45,421.02

Finding the Fourth Proportional to 163,749.67, 245,624.49 and 45,421.02

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Solution

The fourth proportional to 163,749.67, 245,624.49 and 45,421.02 is: 68,131.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,749.67 : 245,624.49 = 45,421.02 : x
  2. Step 2: Convert to fraction form
    163,749.67/245,624.49 = 45,421.02/x
  3. Step 3: Cross multiply
    163,749.67x = 245,624.49 × 45,421.02
  4. Step 4: Simplify right side
    163,749.67x = 11,156,514,872.78
  5. Step 5: Solve for x
    x = 11,156,514,872.78/163,749.67
  6. Step 6: Final answer
    x = 68,131.53

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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.