Home / 160,108.16-240,153.57-81,220.34

Finding the Fourth Proportional to 160,108.16, 240,153.57 and 81,220.34

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Solution

The fourth proportional to 160,108.16, 240,153.57 and 81,220.34 is: 121,826.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,108.16 : 240,153.57 = 81,220.34 : x
  2. Step 2: Convert to fraction form
    160,108.16/240,153.57 = 81,220.34/x
  3. Step 3: Cross multiply
    160,108.16x = 240,153.57 × 81,220.34
  4. Step 4: Simplify right side
    160,108.16x = 19,505,353,406.85
  5. Step 5: Solve for x
    x = 19,505,353,406.85/160,108.16
  6. Step 6: Final answer
    x = 121,826.11

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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.