Home / 208,024.38-287,072.79-112,530.84

Finding the Fourth Proportional to 208,024.38, 287,072.79 and 112,530.84

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Solution

The fourth proportional to 208,024.38, 287,072.79 and 112,530.84 is: 155,292.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,024.38 : 287,072.79 = 112,530.84 : x
  2. Step 2: Convert to fraction form
    208,024.38/287,072.79 = 112,530.84/x
  3. Step 3: Cross multiply
    208,024.38x = 287,072.79 × 112,530.84
  4. Step 4: Simplify right side
    208,024.38x = 32,304,542,199.84
  5. Step 5: Solve for x
    x = 32,304,542,199.84/208,024.38
  6. Step 6: Final answer
    x = 155,292.10

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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.