Home / 117,688.32-176,432.91-51,078.06

Finding the Fourth Proportional to 117,688.32, 176,432.91 and 51,078.06

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Solution

The fourth proportional to 117,688.32, 176,432.91 and 51,078.06 is: 76,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,688.32 : 176,432.91 = 51,078.06 : x
  2. Step 2: Convert to fraction form
    117,688.32/176,432.91 = 51,078.06/x
  3. Step 3: Cross multiply
    117,688.32x = 176,432.91 × 51,078.06
  4. Step 4: Simplify right side
    117,688.32x = 9,011,850,762.95
  5. Step 5: Solve for x
    x = 9,011,850,762.95/117,688.32
  6. Step 6: Final answer
    x = 76,573.88

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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.