Home / 179,134.02-268,292.55-85,705.86

Finding the Fourth Proportional to 179,134.02, 268,292.55 and 85,705.86

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Solution

The fourth proportional to 179,134.02, 268,292.55 and 85,705.86 is: 128,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,134.02 : 268,292.55 = 85,705.86 : x
  2. Step 2: Convert to fraction form
    179,134.02/268,292.55 = 85,705.86/x
  3. Step 3: Cross multiply
    179,134.02x = 268,292.55 × 85,705.86
  4. Step 4: Simplify right side
    179,134.02x = 22,994,243,729.34
  5. Step 5: Solve for x
    x = 22,994,243,729.34/179,134.02
  6. Step 6: Final answer
    x = 128,363.35

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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.