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Finding the Fourth Proportional to 174,220.80, 260,985.60 and 103,891.20

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Solution

The fourth proportional to 174,220.80, 260,985.60 and 103,891.20 is: 155,630.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,220.80 : 260,985.60 = 103,891.20 : x
  2. Step 2: Convert to fraction form
    174,220.80/260,985.60 = 103,891.20/x
  3. Step 3: Cross multiply
    174,220.80x = 260,985.60 × 103,891.20
  4. Step 4: Simplify right side
    174,220.80x = 27,114,107,166.72
  5. Step 5: Solve for x
    x = 27,114,107,166.72/174,220.80
  6. Step 6: Final answer
    x = 155,630.71

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1.5x scale

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.