Home / 134,699.84-185,849.32-76,555.76

Finding the Fourth Proportional to 134,699.84, 185,849.32 and 76,555.76

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Solution

The fourth proportional to 134,699.84, 185,849.32 and 76,555.76 is: 105,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,699.84 : 185,849.32 = 76,555.76 : x
  2. Step 2: Convert to fraction form
    134,699.84/185,849.32 = 76,555.76/x
  3. Step 3: Cross multiply
    134,699.84x = 185,849.32 × 76,555.76
  4. Step 4: Simplify right side
    134,699.84x = 14,227,835,938.08
  5. Step 5: Solve for x
    x = 14,227,835,938.08/134,699.84
  6. Step 6: Final answer
    x = 105,626.23

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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.