Home / 122,319.81-183,367.53-47,420.73

Finding the Fourth Proportional to 122,319.81, 183,367.53 and 47,420.73

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Solution

The fourth proportional to 122,319.81, 183,367.53 and 47,420.73 is: 71,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,319.81 : 183,367.53 = 47,420.73 : x
  2. Step 2: Convert to fraction form
    122,319.81/183,367.53 = 47,420.73/x
  3. Step 3: Cross multiply
    122,319.81x = 183,367.53 × 47,420.73
  4. Step 4: Simplify right side
    122,319.81x = 8,695,422,130.90
  5. Step 5: Solve for x
    x = 8,695,422,130.90/122,319.81
  6. Step 6: Final answer
    x = 71,087.60

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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.