Home / 208,118.82-287,203.96-112,625.52

Finding the Fourth Proportional to 208,118.82, 287,203.96 and 112,625.52

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Solution

The fourth proportional to 208,118.82, 287,203.96 and 112,625.52 is: 155,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,118.82 : 287,203.96 = 112,625.52 : x
  2. Step 2: Convert to fraction form
    208,118.82/287,203.96 = 112,625.52/x
  3. Step 3: Cross multiply
    208,118.82x = 287,203.96 × 112,625.52
  4. Step 4: Simplify right side
    208,118.82x = 32,346,495,341.06
  5. Step 5: Solve for x
    x = 32,346,495,341.06/208,118.82
  6. Step 6: Final answer
    x = 155,423.21

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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.