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Finding the Fourth Proportional to 145,125.96, 217,773 and 60,878.59

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Solution

The fourth proportional to 145,125.96, 217,773 and 60,878.59 is: 91,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,125.96 : 217,773 = 60,878.59 : x
  2. Step 2: Convert to fraction form
    145,125.96/217,773 = 60,878.59/x
  3. Step 3: Cross multiply
    145,125.96x = 217,773 × 60,878.59
  4. Step 4: Simplify right side
    145,125.96x = 13,257,713,180.07
  5. Step 5: Solve for x
    x = 13,257,713,180.07/145,125.96
  6. Step 6: Final answer
    x = 91,353.15

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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.