Home / 140,112.79-210,153.66-50,151.91

Finding the Fourth Proportional to 140,112.79, 210,153.66 and 50,151.91

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Solution

The fourth proportional to 140,112.79, 210,153.66 and 50,151.91 is: 75,222.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,112.79 : 210,153.66 = 50,151.91 : x
  2. Step 2: Convert to fraction form
    140,112.79/210,153.66 = 50,151.91/x
  3. Step 3: Cross multiply
    140,112.79x = 210,153.66 × 50,151.91
  4. Step 4: Simplify right side
    140,112.79x = 10,539,607,442.49
  5. Step 5: Solve for x
    x = 10,539,607,442.49/140,112.79
  6. Step 6: Final answer
    x = 75,222.31

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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.