Home / 207,998.52-287,038.02-117,373.74

Finding the Fourth Proportional to 207,998.52, 287,038.02 and 117,373.74

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Solution

The fourth proportional to 207,998.52, 287,038.02 and 117,373.74 is: 161,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,998.52 : 287,038.02 = 117,373.74 : x
  2. Step 2: Convert to fraction form
    207,998.52/287,038.02 = 117,373.74/x
  3. Step 3: Cross multiply
    207,998.52x = 287,038.02 × 117,373.74
  4. Step 4: Simplify right side
    207,998.52x = 33,690,725,929.59
  5. Step 5: Solve for x
    x = 33,690,725,929.59/207,998.52
  6. Step 6: Final answer
    x = 161,975.80

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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.