Home / 122,365.12-183,614.54-47,488.20

Finding the Fourth Proportional to 122,365.12, 183,614.54 and 47,488.20

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Solution

The fourth proportional to 122,365.12, 183,614.54 and 47,488.20 is: 71,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,365.12 : 183,614.54 = 47,488.20 : x
  2. Step 2: Convert to fraction form
    122,365.12/183,614.54 = 47,488.20/x
  3. Step 3: Cross multiply
    122,365.12x = 183,614.54 × 47,488.20
  4. Step 4: Simplify right side
    122,365.12x = 8,719,523,998.43
  5. Step 5: Solve for x
    x = 8,719,523,998.43/122,365.12
  6. Step 6: Final answer
    x = 71,258.25

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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.