Home / 151,213.16-208,682.34-84,146.60

Finding the Fourth Proportional to 151,213.16, 208,682.34 and 84,146.60

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Solution

The fourth proportional to 151,213.16, 208,682.34 and 84,146.60 is: 116,126.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,213.16 : 208,682.34 = 84,146.60 : x
  2. Step 2: Convert to fraction form
    151,213.16/208,682.34 = 84,146.60/x
  3. Step 3: Cross multiply
    151,213.16x = 208,682.34 × 84,146.60
  4. Step 4: Simplify right side
    151,213.16x = 17,559,909,391.04
  5. Step 5: Solve for x
    x = 17,559,909,391.04/151,213.16
  6. Step 6: Final answer
    x = 116,126.86

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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.