Home / 116,787.25-161,166.63-66,486.25

Finding the Fourth Proportional to 116,787.25, 161,166.63 and 66,486.25

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Solution

The fourth proportional to 116,787.25, 161,166.63 and 66,486.25 is: 91,751.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,787.25 : 161,166.63 = 66,486.25 : x
  2. Step 2: Convert to fraction form
    116,787.25/161,166.63 = 66,486.25/x
  3. Step 3: Cross multiply
    116,787.25x = 161,166.63 × 66,486.25
  4. Step 4: Simplify right side
    116,787.25x = 10,715,364,853.84
  5. Step 5: Solve for x
    x = 10,715,364,853.84/116,787.25
  6. Step 6: Final answer
    x = 91,751.15

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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.