Home / 78,328.48-117,493.68-22,925.60

Finding the Fourth Proportional to 78,328.48, 117,493.68 and 22,925.60

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Solution

The fourth proportional to 78,328.48, 117,493.68 and 22,925.60 is: 34,388.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,328.48 : 117,493.68 = 22,925.60 : x
  2. Step 2: Convert to fraction form
    78,328.48/117,493.68 = 22,925.60/x
  3. Step 3: Cross multiply
    78,328.48x = 117,493.68 × 22,925.60
  4. Step 4: Simplify right side
    78,328.48x = 2,693,613,110.21
  5. Step 5: Solve for x
    x = 2,693,613,110.21/78,328.48
  6. Step 6: Final answer
    x = 34,388.68

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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.