Home / 134,059.32-185,005.74-76,707.96

Finding the Fourth Proportional to 134,059.32, 185,005.74 and 76,707.96

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Solution

The fourth proportional to 134,059.32, 185,005.74 and 76,707.96 is: 105,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,059.32 : 185,005.74 = 76,707.96 : x
  2. Step 2: Convert to fraction form
    134,059.32/185,005.74 = 76,707.96/x
  3. Step 3: Cross multiply
    134,059.32x = 185,005.74 × 76,707.96
  4. Step 4: Simplify right side
    134,059.32x = 14,191,412,903.69
  5. Step 5: Solve for x
    x = 14,191,412,903.69/134,059.32
  6. Step 6: Final answer
    x = 105,859.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.