Home / 178,761.07-268,141.36-45,641.35

Finding the Fourth Proportional to 178,761.07, 268,141.36 and 45,641.35

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Solution

The fourth proportional to 178,761.07, 268,141.36 and 45,641.35 is: 68,461.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,761.07 : 268,141.36 = 45,641.35 : x
  2. Step 2: Convert to fraction form
    178,761.07/268,141.36 = 45,641.35/x
  3. Step 3: Cross multiply
    178,761.07x = 268,141.36 × 45,641.35
  4. Step 4: Simplify right side
    178,761.07x = 12,238,333,661.24
  5. Step 5: Solve for x
    x = 12,238,333,661.24/178,761.07
  6. Step 6: Final answer
    x = 68,461.96

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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.