Home / 210,096.28-315,200.58-91,777.24

Finding the Fourth Proportional to 210,096.28, 315,200.58 and 91,777.24

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Solution

The fourth proportional to 210,096.28, 315,200.58 and 91,777.24 is: 137,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,096.28 : 315,200.58 = 91,777.24 : x
  2. Step 2: Convert to fraction form
    210,096.28/315,200.58 = 91,777.24/x
  3. Step 3: Cross multiply
    210,096.28x = 315,200.58 × 91,777.24
  4. Step 4: Simplify right side
    210,096.28x = 28,928,239,278.80
  5. Step 5: Solve for x
    x = 28,928,239,278.80/210,096.28
  6. Step 6: Final answer
    x = 137,690.39

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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.