Home / 163,750.43-245,625.61-45,421.77

Finding the Fourth Proportional to 163,750.43, 245,625.61 and 45,421.77

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Solution

The fourth proportional to 163,750.43, 245,625.61 and 45,421.77 is: 68,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,750.43 : 245,625.61 = 45,421.77 : x
  2. Step 2: Convert to fraction form
    163,750.43/245,625.61 = 45,421.77/x
  3. Step 3: Cross multiply
    163,750.43x = 245,625.61 × 45,421.77
  4. Step 4: Simplify right side
    163,750.43x = 11,156,749,963.53
  5. Step 5: Solve for x
    x = 11,156,749,963.53/163,750.43
  6. Step 6: Final answer
    x = 68,132.65

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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.