Home / 160,938.87-241,408.30-85,831.47

Finding the Fourth Proportional to 160,938.87, 241,408.30 and 85,831.47

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Solution

The fourth proportional to 160,938.87, 241,408.30 and 85,831.47 is: 128,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,938.87 : 241,408.30 = 85,831.47 : x
  2. Step 2: Convert to fraction form
    160,938.87/241,408.30 = 85,831.47/x
  3. Step 3: Cross multiply
    160,938.87x = 241,408.30 × 85,831.47
  4. Step 4: Simplify right side
    160,938.87x = 20,720,429,044.62
  5. Step 5: Solve for x
    x = 20,720,429,044.62/160,938.87
  6. Step 6: Final answer
    x = 128,747.20

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1.5x scale

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.