Home / 208,375.21-287,557.52-112,882.29

Finding the Fourth Proportional to 208,375.21, 287,557.52 and 112,882.29

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Solution

The fourth proportional to 208,375.21, 287,557.52 and 112,882.29 is: 155,777.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,375.21 : 287,557.52 = 112,882.29 : x
  2. Step 2: Convert to fraction form
    208,375.21/287,557.52 = 112,882.29/x
  3. Step 3: Cross multiply
    208,375.21x = 287,557.52 × 112,882.29
  4. Step 4: Simplify right side
    208,375.21x = 32,460,151,364.32
  5. Step 5: Solve for x
    x = 32,460,151,364.32/208,375.21
  6. Step 6: Final answer
    x = 155,777.41

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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.