Home / 208,046.27-287,103.29-112,552.74

Finding the Fourth Proportional to 208,046.27, 287,103.29 and 112,552.74

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Solution

The fourth proportional to 208,046.27, 287,103.29 and 112,552.74 is: 155,322.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,046.27 : 287,103.29 = 112,552.74 : x
  2. Step 2: Convert to fraction form
    208,046.27/287,103.29 = 112,552.74/x
  3. Step 3: Cross multiply
    208,046.27x = 287,103.29 × 112,552.74
  4. Step 4: Simplify right side
    208,046.27x = 32,314,261,389.75
  5. Step 5: Solve for x
    x = 32,314,261,389.75/208,046.27
  6. Step 6: Final answer
    x = 155,322.47

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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.