Home / 208,029.29-287,080.27-112,536.07

Finding the Fourth Proportional to 208,029.29, 287,080.27 and 112,536.07

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Solution

The fourth proportional to 208,029.29, 287,080.27 and 112,536.07 is: 155,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,029.29 : 287,080.27 = 112,536.07 : x
  2. Step 2: Convert to fraction form
    208,029.29/287,080.27 = 112,536.07/x
  3. Step 3: Cross multiply
    208,029.29x = 287,080.27 × 112,536.07
  4. Step 4: Simplify right side
    208,029.29x = 32,306,884,361.30
  5. Step 5: Solve for x
    x = 32,306,884,361.30/208,029.29
  6. Step 6: Final answer
    x = 155,299.69

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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.