Home / 105,575.44-145,697.66-57,831.48

Finding the Fourth Proportional to 105,575.44, 145,697.66 and 57,831.48

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Solution

The fourth proportional to 105,575.44, 145,697.66 and 57,831.48 is: 79,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,575.44 : 145,697.66 = 57,831.48 : x
  2. Step 2: Convert to fraction form
    105,575.44/145,697.66 = 57,831.48/x
  3. Step 3: Cross multiply
    105,575.44x = 145,697.66 × 57,831.48
  4. Step 4: Simplify right side
    105,575.44x = 8,425,911,310.34
  5. Step 5: Solve for x
    x = 8,425,911,310.34/105,575.44
  6. Step 6: Final answer
    x = 79,809.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.