Home / 250,194.57-375,330.72-84,021.45

Finding the Fourth Proportional to 250,194.57, 375,330.72 and 84,021.45

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Solution

The fourth proportional to 250,194.57, 375,330.72 and 84,021.45 is: 126,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,194.57 : 375,330.72 = 84,021.45 : x
  2. Step 2: Convert to fraction form
    250,194.57/375,330.72 = 84,021.45/x
  3. Step 3: Cross multiply
    250,194.57x = 375,330.72 × 84,021.45
  4. Step 4: Simplify right side
    250,194.57x = 31,535,831,323.94
  5. Step 5: Solve for x
    x = 31,535,831,323.94/250,194.57
  6. Step 6: Final answer
    x = 126,045.23

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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.