Home / 208,110.55-287,193.32-112,617.24

Finding the Fourth Proportional to 208,110.55, 287,193.32 and 112,617.24

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Solution

The fourth proportional to 208,110.55, 287,193.32 and 112,617.24 is: 155,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,110.55 : 287,193.32 = 112,617.24 : x
  2. Step 2: Convert to fraction form
    208,110.55/287,193.32 = 112,617.24/x
  3. Step 3: Cross multiply
    208,110.55x = 287,193.32 × 112,617.24
  4. Step 4: Simplify right side
    208,110.55x = 32,342,919,044.84
  5. Step 5: Solve for x
    x = 32,342,919,044.84/208,110.55
  6. Step 6: Final answer
    x = 155,412.20

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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.