Home / 160,210.26-240,351.83-85,290.93

Finding the Fourth Proportional to 160,210.26, 240,351.83 and 85,290.93

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Solution

The fourth proportional to 160,210.26, 240,351.83 and 85,290.93 is: 127,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,210.26 : 240,351.83 = 85,290.93 : x
  2. Step 2: Convert to fraction form
    160,210.26/240,351.83 = 85,290.93/x
  3. Step 3: Cross multiply
    160,210.26x = 240,351.83 × 85,290.93
  4. Step 4: Simplify right side
    160,210.26x = 20,499,831,107.90
  5. Step 5: Solve for x
    x = 20,499,831,107.90/160,210.26
  6. Step 6: Final answer
    x = 127,955.79

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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.