Home / 208,511.15-287,776.13-132,037.22

Finding the Fourth Proportional to 208,511.15, 287,776.13 and 132,037.22

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Solution

The fourth proportional to 208,511.15, 287,776.13 and 132,037.22 is: 182,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,511.15 : 287,776.13 = 132,037.22 : x
  2. Step 2: Convert to fraction form
    208,511.15/287,776.13 = 132,037.22/x
  3. Step 3: Cross multiply
    208,511.15x = 287,776.13 × 132,037.22
  4. Step 4: Simplify right side
    208,511.15x = 37,997,160,246.81
  5. Step 5: Solve for x
    x = 37,997,160,246.81/208,511.15
  6. Step 6: Final answer
    x = 182,230.84

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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.