Home / 216,025.80-324,038.70-127,452.30

Finding the Fourth Proportional to 216,025.80, 324,038.70 and 127,452.30

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Solution

The fourth proportional to 216,025.80, 324,038.70 and 127,452.30 is: 191,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,025.80 : 324,038.70 = 127,452.30 : x
  2. Step 2: Convert to fraction form
    216,025.80/324,038.70 = 127,452.30/x
  3. Step 3: Cross multiply
    216,025.80x = 324,038.70 × 127,452.30
  4. Step 4: Simplify right side
    216,025.80x = 41,299,477,604.01
  5. Step 5: Solve for x
    x = 41,299,477,604.01/216,025.80
  6. Step 6: Final answer
    x = 191,178.45

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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.