Home / 78,756.21-118,134.27-23,352.21

Finding the Fourth Proportional to 78,756.21, 118,134.27 and 23,352.21

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Solution

The fourth proportional to 78,756.21, 118,134.27 and 23,352.21 is: 35,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,756.21 : 118,134.27 = 23,352.21 : x
  2. Step 2: Convert to fraction form
    78,756.21/118,134.27 = 23,352.21/x
  3. Step 3: Cross multiply
    78,756.21x = 118,134.27 × 23,352.21
  4. Step 4: Simplify right side
    78,756.21x = 2,758,696,281.24
  5. Step 5: Solve for x
    x = 2,758,696,281.24/78,756.21
  6. Step 6: Final answer
    x = 35,028.30

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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.