Home / 172,923.20-258,607.20-144,929.60

Finding the Fourth Proportional to 172,923.20, 258,607.20 and 144,929.60

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Solution

The fourth proportional to 172,923.20, 258,607.20 and 144,929.60 is: 216,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,923.20 : 258,607.20 = 144,929.60 : x
  2. Step 2: Convert to fraction form
    172,923.20/258,607.20 = 144,929.60/x
  3. Step 3: Cross multiply
    172,923.20x = 258,607.20 × 144,929.60
  4. Step 4: Simplify right side
    172,923.20x = 37,479,838,053.12
  5. Step 5: Solve for x
    x = 37,479,838,053.12/172,923.20
  6. Step 6: Final answer
    x = 216,742.68

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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.