Home / 105,717.12-158,575.28-26,831.04

Finding the Fourth Proportional to 105,717.12, 158,575.28 and 26,831.04

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Solution

The fourth proportional to 105,717.12, 158,575.28 and 26,831.04 is: 40,246.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,717.12 : 158,575.28 = 26,831.04 : x
  2. Step 2: Convert to fraction form
    105,717.12/158,575.28 = 26,831.04/x
  3. Step 3: Cross multiply
    105,717.12x = 158,575.28 × 26,831.04
  4. Step 4: Simplify right side
    105,717.12x = 4,254,739,680.69
  5. Step 5: Solve for x
    x = 4,254,739,680.69/105,717.12
  6. Step 6: Final answer
    x = 40,246.46

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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.