Home / 151,959.93-209,704.17-83,975.01

Finding the Fourth Proportional to 151,959.93, 209,704.17 and 83,975.01

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Solution

The fourth proportional to 151,959.93, 209,704.17 and 83,975.01 is: 115,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,959.93 : 209,704.17 = 83,975.01 : x
  2. Step 2: Convert to fraction form
    151,959.93/209,704.17 = 83,975.01/x
  3. Step 3: Cross multiply
    151,959.93x = 209,704.17 × 83,975.01
  4. Step 4: Simplify right side
    151,959.93x = 17,609,909,772.79
  5. Step 5: Solve for x
    x = 17,609,909,772.79/151,959.93
  6. Step 6: Final answer
    x = 115,885.22

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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.