Home / 145,113.89-217,754.87-60,866.55

Finding the Fourth Proportional to 145,113.89, 217,754.87 and 60,866.55

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Solution

The fourth proportional to 145,113.89, 217,754.87 and 60,866.55 is: 91,335.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,113.89 : 217,754.87 = 60,866.55 : x
  2. Step 2: Convert to fraction form
    145,113.89/217,754.87 = 60,866.55/x
  3. Step 3: Cross multiply
    145,113.89x = 217,754.87 × 60,866.55
  4. Step 4: Simplify right side
    145,113.89x = 13,253,987,682.60
  5. Step 5: Solve for x
    x = 13,253,987,682.60/145,113.89
  6. Step 6: Final answer
    x = 91,335.07

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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.