Home / 208,032.90-287,084.78-112,539.57

Finding the Fourth Proportional to 208,032.90, 287,084.78 and 112,539.57

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Solution

The fourth proportional to 208,032.90, 287,084.78 and 112,539.57 is: 155,304.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,032.90 : 287,084.78 = 112,539.57 : x
  2. Step 2: Convert to fraction form
    208,032.90/287,084.78 = 112,539.57/x
  3. Step 3: Cross multiply
    208,032.90x = 287,084.78 × 112,539.57
  4. Step 4: Simplify right side
    208,032.90x = 32,308,397,554.07
  5. Step 5: Solve for x
    x = 32,308,397,554.07/208,032.90
  6. Step 6: Final answer
    x = 155,304.27

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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.