Home / 145,116.52-217,675.86-39,941.28

Finding the Fourth Proportional to 145,116.52, 217,675.86 and 39,941.28

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Solution

The fourth proportional to 145,116.52, 217,675.86 and 39,941.28 is: 59,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,116.52 : 217,675.86 = 39,941.28 : x
  2. Step 2: Convert to fraction form
    145,116.52/217,675.86 = 39,941.28/x
  3. Step 3: Cross multiply
    145,116.52x = 217,675.86 × 39,941.28
  4. Step 4: Simplify right side
    145,116.52x = 8,694,252,473.50
  5. Step 5: Solve for x
    x = 8,694,252,473.50/145,116.52
  6. Step 6: Final answer
    x = 59,912.22

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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.