Home / 78,167.14-117,407.62-46,638.73

Finding the Fourth Proportional to 78,167.14, 117,407.62 and 46,638.73

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Solution

The fourth proportional to 78,167.14, 117,407.62 and 46,638.73 is: 70,051.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,167.14 : 117,407.62 = 46,638.73 : x
  2. Step 2: Convert to fraction form
    78,167.14/117,407.62 = 46,638.73/x
  3. Step 3: Cross multiply
    78,167.14x = 117,407.62 × 46,638.73
  4. Step 4: Simplify right side
    78,167.14x = 5,475,742,494.18
  5. Step 5: Solve for x
    x = 5,475,742,494.18/78,167.14
  6. Step 6: Final answer
    x = 70,051.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.