Home / 160,163.20-240,244.80-77,065.60

Finding the Fourth Proportional to 160,163.20, 240,244.80 and 77,065.60

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Solution

The fourth proportional to 160,163.20, 240,244.80 and 77,065.60 is: 115,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,163.20 : 240,244.80 = 77,065.60 : x
  2. Step 2: Convert to fraction form
    160,163.20/240,244.80 = 77,065.60/x
  3. Step 3: Cross multiply
    160,163.20x = 240,244.80 × 77,065.60
  4. Step 4: Simplify right side
    160,163.20x = 18,514,609,658.88
  5. Step 5: Solve for x
    x = 18,514,609,658.88/160,163.20
  6. Step 6: Final answer
    x = 115,598.40

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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.