Home / 185,839.45-278,769.75-52,709.18

Finding the Fourth Proportional to 185,839.45, 278,769.75 and 52,709.18

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Solution

The fourth proportional to 185,839.45, 278,769.75 and 52,709.18 is: 79,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,839.45 : 278,769.75 = 52,709.18 : x
  2. Step 2: Convert to fraction form
    185,839.45/278,769.75 = 52,709.18/x
  3. Step 3: Cross multiply
    185,839.45x = 278,769.75 × 52,709.18
  4. Step 4: Simplify right side
    185,839.45x = 14,693,724,931.31
  5. Step 5: Solve for x
    x = 14,693,724,931.31/185,839.45
  6. Step 6: Final answer
    x = 79,066.77

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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.