Home / 105,314.86-157,982.19-38,756.26

Finding the Fourth Proportional to 105,314.86, 157,982.19 and 38,756.26

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Solution

The fourth proportional to 105,314.86, 157,982.19 and 38,756.26 is: 58,138.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,314.86 : 157,982.19 = 38,756.26 : x
  2. Step 2: Convert to fraction form
    105,314.86/157,982.19 = 38,756.26/x
  3. Step 3: Cross multiply
    105,314.86x = 157,982.19 × 38,756.26
  4. Step 4: Simplify right side
    105,314.86x = 6,122,798,831.01
  5. Step 5: Solve for x
    x = 6,122,798,831.01/105,314.86
  6. Step 6: Final answer
    x = 58,138.03

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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.