Home / 160,723.90-221,790.72-89,103.16

Finding the Fourth Proportional to 160,723.90, 221,790.72 and 89,103.16

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Solution

The fourth proportional to 160,723.90, 221,790.72 and 89,103.16 is: 122,957.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,723.90 : 221,790.72 = 89,103.16 : x
  2. Step 2: Convert to fraction form
    160,723.90/221,790.72 = 89,103.16/x
  3. Step 3: Cross multiply
    160,723.90x = 221,790.72 × 89,103.16
  4. Step 4: Simplify right side
    160,723.90x = 19,762,254,010.68
  5. Step 5: Solve for x
    x = 19,762,254,010.68/160,723.90
  6. Step 6: Final answer
    x = 122,957.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.