Home / 178,730.39-268,095.40-45,610.65

Finding the Fourth Proportional to 178,730.39, 268,095.40 and 45,610.65

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Solution

The fourth proportional to 178,730.39, 268,095.40 and 45,610.65 is: 68,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,730.39 : 268,095.40 = 45,610.65 : x
  2. Step 2: Convert to fraction form
    178,730.39/268,095.40 = 45,610.65/x
  3. Step 3: Cross multiply
    178,730.39x = 268,095.40 × 45,610.65
  4. Step 4: Simplify right side
    178,730.39x = 12,228,005,341.98
  5. Step 5: Solve for x
    x = 12,228,005,341.98/178,730.39
  6. Step 6: Final answer
    x = 68,415.93

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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.