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Finding the Fourth Proportional to 194,007.42, 291,043.94 and 88,834.59

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Solution

The fourth proportional to 194,007.42, 291,043.94 and 88,834.59 is: 133,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,007.42 : 291,043.94 = 88,834.59 : x
  2. Step 2: Convert to fraction form
    194,007.42/291,043.94 = 88,834.59/x
  3. Step 3: Cross multiply
    194,007.42x = 291,043.94 × 88,834.59
  4. Step 4: Simplify right side
    194,007.42x = 25,854,768,637.71
  5. Step 5: Solve for x
    x = 25,854,768,637.71/194,007.42
  6. Step 6: Final answer
    x = 133,266.91

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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.