Home / 208,345.60-287,511.42-117,710.92

Finding the Fourth Proportional to 208,345.60, 287,511.42 and 117,710.92

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Solution

The fourth proportional to 208,345.60, 287,511.42 and 117,710.92 is: 162,437.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,345.60 : 287,511.42 = 117,710.92 : x
  2. Step 2: Convert to fraction form
    208,345.60/287,511.42 = 117,710.92/x
  3. Step 3: Cross multiply
    208,345.60x = 287,511.42 × 117,710.92
  4. Step 4: Simplify right side
    208,345.60x = 33,843,233,758.71
  5. Step 5: Solve for x
    x = 33,843,233,758.71/208,345.60
  6. Step 6: Final answer
    x = 162,437.96

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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.