Home / 208,118.57-287,204.35-112,625.24

Finding the Fourth Proportional to 208,118.57, 287,204.35 and 112,625.24

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Solution

The fourth proportional to 208,118.57, 287,204.35 and 112,625.24 is: 155,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,118.57 : 287,204.35 = 112,625.24 : x
  2. Step 2: Convert to fraction form
    208,118.57/287,204.35 = 112,625.24/x
  3. Step 3: Cross multiply
    208,118.57x = 287,204.35 × 112,625.24
  4. Step 4: Simplify right side
    208,118.57x = 32,346,458,847.79
  5. Step 5: Solve for x
    x = 32,346,458,847.79/208,118.57
  6. Step 6: Final answer
    x = 155,423.22

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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.