Home / 105,046.86-157,496.46-38,478.34

Finding the Fourth Proportional to 105,046.86, 157,496.46 and 38,478.34

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Solution

The fourth proportional to 105,046.86, 157,496.46 and 38,478.34 is: 57,690.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,046.86 : 157,496.46 = 38,478.34 : x
  2. Step 2: Convert to fraction form
    105,046.86/157,496.46 = 38,478.34/x
  3. Step 3: Cross multiply
    105,046.86x = 157,496.46 × 38,478.34
  4. Step 4: Simplify right side
    105,046.86x = 6,060,202,336.68
  5. Step 5: Solve for x
    x = 6,060,202,336.68/105,046.86
  6. Step 6: Final answer
    x = 57,690.47

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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.