Home / 163,941.60-245,869.20-51,621.60

Finding the Fourth Proportional to 163,941.60, 245,869.20 and 51,621.60

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Solution

The fourth proportional to 163,941.60, 245,869.20 and 51,621.60 is: 77,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,941.60 : 245,869.20 = 51,621.60 : x
  2. Step 2: Convert to fraction form
    163,941.60/245,869.20 = 51,621.60/x
  3. Step 3: Cross multiply
    163,941.60x = 245,869.20 × 51,621.60
  4. Step 4: Simplify right side
    163,941.60x = 12,692,161,494.72
  5. Step 5: Solve for x
    x = 12,692,161,494.72/163,941.60
  6. Step 6: Final answer
    x = 77,418.80

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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.