Home / 150,389.44-207,529.48-85,856.12

Finding the Fourth Proportional to 150,389.44, 207,529.48 and 85,856.12

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Solution

The fourth proportional to 150,389.44, 207,529.48 and 85,856.12 is: 118,476.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,389.44 : 207,529.48 = 85,856.12 : x
  2. Step 2: Convert to fraction form
    150,389.44/207,529.48 = 85,856.12/x
  3. Step 3: Cross multiply
    150,389.44x = 207,529.48 × 85,856.12
  4. Step 4: Simplify right side
    150,389.44x = 17,817,675,938.42
  5. Step 5: Solve for x
    x = 17,817,675,938.42/150,389.44
  6. Step 6: Final answer
    x = 118,476.91

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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.