Home / 151,486.16-209,052.40-83,505.52

Finding the Fourth Proportional to 151,486.16, 209,052.40 and 83,505.52

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Solution

The fourth proportional to 151,486.16, 209,052.40 and 83,505.52 is: 115,238.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,486.16 : 209,052.40 = 83,505.52 : x
  2. Step 2: Convert to fraction form
    151,486.16/209,052.40 = 83,505.52/x
  3. Step 3: Cross multiply
    151,486.16x = 209,052.40 × 83,505.52
  4. Step 4: Simplify right side
    151,486.16x = 17,457,029,369.25
  5. Step 5: Solve for x
    x = 17,457,029,369.25/151,486.16
  6. Step 6: Final answer
    x = 115,238.44

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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.