Home / 151,512.06-209,088.09-83,531.52

Finding the Fourth Proportional to 151,512.06, 209,088.09 and 83,531.52

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Solution

The fourth proportional to 151,512.06, 209,088.09 and 83,531.52 is: 115,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,512.06 : 209,088.09 = 83,531.52 : x
  2. Step 2: Convert to fraction form
    151,512.06/209,088.09 = 83,531.52/x
  3. Step 3: Cross multiply
    151,512.06x = 209,088.09 × 83,531.52
  4. Step 4: Simplify right side
    151,512.06x = 17,465,445,971.60
  5. Step 5: Solve for x
    x = 17,465,445,971.60/151,512.06
  6. Step 6: Final answer
    x = 115,274.30

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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.