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Finding the Fourth Proportional to 160,421.80, 240,114.30 and 125,170.60

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Solution

The fourth proportional to 160,421.80, 240,114.30 and 125,170.60 is: 187,351.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,421.80 : 240,114.30 = 125,170.60 : x
  2. Step 2: Convert to fraction form
    160,421.80/240,114.30 = 125,170.60/x
  3. Step 3: Cross multiply
    160,421.80x = 240,114.30 × 125,170.60
  4. Step 4: Simplify right side
    160,421.80x = 30,055,250,999.58
  5. Step 5: Solve for x
    x = 30,055,250,999.58/160,421.80
  6. Step 6: Final answer
    x = 187,351.41

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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.