Home / 78,518.06-117,504.92-75,252.14

Finding the Fourth Proportional to 78,518.06, 117,504.92 and 75,252.14

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Solution

The fourth proportional to 78,518.06, 117,504.92 and 75,252.14 is: 112,617.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,518.06 : 117,504.92 = 75,252.14 : x
  2. Step 2: Convert to fraction form
    78,518.06/117,504.92 = 75,252.14/x
  3. Step 3: Cross multiply
    78,518.06x = 117,504.92 × 75,252.14
  4. Step 4: Simplify right side
    78,518.06x = 8,842,495,726.74
  5. Step 5: Solve for x
    x = 8,842,495,726.74/78,518.06
  6. Step 6: Final answer
    x = 112,617.36

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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.