Home / 262,139.20-393,500.40-144,041.20

Finding the Fourth Proportional to 262,139.20, 393,500.40 and 144,041.20

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Solution

The fourth proportional to 262,139.20, 393,500.40 and 144,041.20 is: 216,222.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,139.20 : 393,500.40 = 144,041.20 : x
  2. Step 2: Convert to fraction form
    262,139.20/393,500.40 = 144,041.20/x
  3. Step 3: Cross multiply
    262,139.20x = 393,500.40 × 144,041.20
  4. Step 4: Simplify right side
    262,139.20x = 56,680,269,816.48
  5. Step 5: Solve for x
    x = 56,680,269,816.48/262,139.20
  6. Step 6: Final answer
    x = 216,222.03

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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.