Home / 113,831.63-170,755.70-43,710.94

Finding the Fourth Proportional to 113,831.63, 170,755.70 and 43,710.94

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Solution

The fourth proportional to 113,831.63, 170,755.70 and 43,710.94 is: 65,569.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,831.63 : 170,755.70 = 43,710.94 : x
  2. Step 2: Convert to fraction form
    113,831.63/170,755.70 = 43,710.94/x
  3. Step 3: Cross multiply
    113,831.63x = 170,755.70 × 43,710.94
  4. Step 4: Simplify right side
    113,831.63x = 7,463,892,152.25
  5. Step 5: Solve for x
    x = 7,463,892,152.25/113,831.63
  6. Step 6: Final answer
    x = 65,569.58

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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.