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Finding the Fourth Proportional to 163,752.80, 245,499.60 and 89,880.80

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Solution

The fourth proportional to 163,752.80, 245,499.60 and 89,880.80 is: 134,750.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,752.80 : 245,499.60 = 89,880.80 : x
  2. Step 2: Convert to fraction form
    163,752.80/245,499.60 = 89,880.80/x
  3. Step 3: Cross multiply
    163,752.80x = 245,499.60 × 89,880.80
  4. Step 4: Simplify right side
    163,752.80x = 22,065,700,447.68
  5. Step 5: Solve for x
    x = 22,065,700,447.68/163,752.80
  6. Step 6: Final answer
    x = 134,750.07

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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.