Home / 134,030.62-184,964.38-72,776.78

Finding the Fourth Proportional to 134,030.62, 184,964.38 and 72,776.78

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Solution

The fourth proportional to 134,030.62, 184,964.38 and 72,776.78 is: 100,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,030.62 : 184,964.38 = 72,776.78 : x
  2. Step 2: Convert to fraction form
    134,030.62/184,964.38 = 72,776.78/x
  3. Step 3: Cross multiply
    134,030.62x = 184,964.38 × 72,776.78
  4. Step 4: Simplify right side
    134,030.62x = 13,461,111,991.10
  5. Step 5: Solve for x
    x = 13,461,111,991.10/134,030.62
  6. Step 6: Final answer
    x = 100,433.11

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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.