Home / 178,835.04-268,306.22-72,164.12

Finding the Fourth Proportional to 178,835.04, 268,306.22 and 72,164.12

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Solution

The fourth proportional to 178,835.04, 268,306.22 and 72,164.12 is: 108,267.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,835.04 : 268,306.22 = 72,164.12 : x
  2. Step 2: Convert to fraction form
    178,835.04/268,306.22 = 72,164.12/x
  3. Step 3: Cross multiply
    178,835.04x = 268,306.22 × 72,164.12
  4. Step 4: Simplify right side
    178,835.04x = 19,362,081,095.71
  5. Step 5: Solve for x
    x = 19,362,081,095.71/178,835.04
  6. Step 6: Final answer
    x = 108,267.83

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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.