Home / 130,010.24-194,931.20-85,502.24

Finding the Fourth Proportional to 130,010.24, 194,931.20 and 85,502.24

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Solution

The fourth proportional to 130,010.24, 194,931.20 and 85,502.24 is: 128,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,010.24 : 194,931.20 = 85,502.24 : x
  2. Step 2: Convert to fraction form
    130,010.24/194,931.20 = 85,502.24/x
  3. Step 3: Cross multiply
    130,010.24x = 194,931.20 × 85,502.24
  4. Step 4: Simplify right side
    130,010.24x = 16,667,054,245.89
  5. Step 5: Solve for x
    x = 16,667,054,245.89/130,010.24
  6. Step 6: Final answer
    x = 128,198.01

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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.