Home / 119,209.90-178,814.93-30,463.49

Finding the Fourth Proportional to 119,209.90, 178,814.93 and 30,463.49

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Solution

The fourth proportional to 119,209.90, 178,814.93 and 30,463.49 is: 45,695.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,209.90 : 178,814.93 = 30,463.49 : x
  2. Step 2: Convert to fraction form
    119,209.90/178,814.93 = 30,463.49/x
  3. Step 3: Cross multiply
    119,209.90x = 178,814.93 × 30,463.49
  4. Step 4: Simplify right side
    119,209.90x = 5,447,326,123.58
  5. Step 5: Solve for x
    x = 5,447,326,123.58/119,209.90
  6. Step 6: Final answer
    x = 45,695.25

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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.