Home / 160,220.66-240,475.44-85,403.12

Finding the Fourth Proportional to 160,220.66, 240,475.44 and 85,403.12

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Solution

The fourth proportional to 160,220.66, 240,475.44 and 85,403.12 is: 128,181.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,220.66 : 240,475.44 = 85,403.12 : x
  2. Step 2: Convert to fraction form
    160,220.66/240,475.44 = 85,403.12/x
  3. Step 3: Cross multiply
    160,220.66x = 240,475.44 × 85,403.12
  4. Step 4: Simplify right side
    160,220.66x = 20,537,352,859.37
  5. Step 5: Solve for x
    x = 20,537,352,859.37/160,220.66
  6. Step 6: Final answer
    x = 128,181.68

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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.