Home / 104,982.96-157,539.74-42,653.46

Finding the Fourth Proportional to 104,982.96, 157,539.74 and 42,653.46

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Solution

The fourth proportional to 104,982.96, 157,539.74 and 42,653.46 is: 64,006.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,982.96 : 157,539.74 = 42,653.46 : x
  2. Step 2: Convert to fraction form
    104,982.96/157,539.74 = 42,653.46/x
  3. Step 3: Cross multiply
    104,982.96x = 157,539.74 × 42,653.46
  4. Step 4: Simplify right side
    104,982.96x = 6,719,614,711.28
  5. Step 5: Solve for x
    x = 6,719,614,711.28/104,982.96
  6. Step 6: Final answer
    x = 64,006.72

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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.