Home / 151,254.27-208,727.08-83,270.57

Finding the Fourth Proportional to 151,254.27, 208,727.08 and 83,270.57

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Solution

The fourth proportional to 151,254.27, 208,727.08 and 83,270.57 is: 114,911.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,254.27 : 208,727.08 = 83,270.57 : x
  2. Step 2: Convert to fraction form
    151,254.27/208,727.08 = 83,270.57/x
  3. Step 3: Cross multiply
    151,254.27x = 208,727.08 × 83,270.57
  4. Step 4: Simplify right side
    151,254.27x = 17,380,821,674.22
  5. Step 5: Solve for x
    x = 17,380,821,674.22/151,254.27
  6. Step 6: Final answer
    x = 114,911.28

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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.