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Finding the Fourth Proportional to 141,798.66, 212,681.52 and 36,609.36

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Solution

The fourth proportional to 141,798.66, 212,681.52 and 36,609.36 is: 54,909.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,798.66 : 212,681.52 = 36,609.36 : x
  2. Step 2: Convert to fraction form
    141,798.66/212,681.52 = 36,609.36/x
  3. Step 3: Cross multiply
    141,798.66x = 212,681.52 × 36,609.36
  4. Step 4: Simplify right side
    141,798.66x = 7,786,134,331.03
  5. Step 5: Solve for x
    x = 7,786,134,331.03/141,798.66
  6. Step 6: Final answer
    x = 54,909.79

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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.