Home / 160,411.39-240,519.65-80,356.25

Finding the Fourth Proportional to 160,411.39, 240,519.65 and 80,356.25

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Solution

The fourth proportional to 160,411.39, 240,519.65 and 80,356.25 is: 120,485.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,411.39 : 240,519.65 = 80,356.25 : x
  2. Step 2: Convert to fraction form
    160,411.39/240,519.65 = 80,356.25/x
  3. Step 3: Cross multiply
    160,411.39x = 240,519.65 × 80,356.25
  4. Step 4: Simplify right side
    160,411.39x = 19,327,257,324.83
  5. Step 5: Solve for x
    x = 19,327,257,324.83/160,411.39
  6. Step 6: Final answer
    x = 120,485.57

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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.