Home / 216,126.72-298,317.60-125,503.20

Finding the Fourth Proportional to 216,126.72, 298,317.60 and 125,503.20

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Solution

The fourth proportional to 216,126.72, 298,317.60 and 125,503.20 is: 173,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,126.72 : 298,317.60 = 125,503.20 : x
  2. Step 2: Convert to fraction form
    216,126.72/298,317.60 = 125,503.20/x
  3. Step 3: Cross multiply
    216,126.72x = 298,317.60 × 125,503.20
  4. Step 4: Simplify right side
    216,126.72x = 37,439,813,416.32
  5. Step 5: Solve for x
    x = 37,439,813,416.32/216,126.72
  6. Step 6: Final answer
    x = 173,230.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.